Swift Package IndexBuild Information
Successful build of swift-chess-neo, reference 2.0.0 (36df37), with Swift 6.3 for Linux on 16 Apr 2026 23:56:05 UTC.
Swift 6 data race errors: 0
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
72 |
73 | /// E regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:74:23: warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
72 |
73 | /// E regardless of Swift version.
74 | internal static let _e = File.e
| |- warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_e' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
75 |
76 | /// F regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:77:23: warning: static property '_f' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
75 |
76 | /// F regardless of Swift version.
77 | internal static let _f = File.f
| |- warning: static property '_f' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_f' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
78 |
79 | /// G regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:80:23: warning: static property '_g' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
78 |
79 | /// G regardless of Swift version.
80 | internal static let _g = File.g
| |- warning: static property '_g' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_g' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
81 |
82 | /// H regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:83:23: warning: static property '_h' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
81 |
82 | /// H regardless of Swift version.
83 | internal static let _h = File.h
| |- warning: static property '_h' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_h' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
84 |
85 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:90:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[File]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
88 |
89 | /// An array of all files.
90 | public static let all: [File] = [.a, .b, .c, .d, .e, .f, .g, .h]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[File]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
91 |
92 | /// The column index of `self`.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:35:25: warning: static property '_draw' is not concurrency-safe because non-'Sendable' type 'Game.Outcome' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
24 |
25 | /// A chess game outcome.
26 | public enum Outcome: Hashable, CustomStringConvertible {
| `- note: consider making enum 'Outcome' conform to the 'Sendable' protocol
27 |
28 | /// A win for a `Color`.
:
33 |
34 | /// Draw.
35 | internal static let _draw = Outcome.draw
| |- warning: static property '_draw' is not concurrency-safe because non-'Sendable' type 'Game.Outcome' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_draw' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
36 |
37 | /// Win.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:240:10: warning: associated value 'wrongKingCount' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Color'
238 |
239 | /// Found number other than 1 for king count.
240 | case wrongKingCount(Color)
| `- warning: associated value 'wrongKingCount' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Color'
241 |
242 | /// King missing for castling right.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:22:13: note: consider making enum 'Color' conform to the 'Sendable' protocol
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:243:10: warning: associated value 'missingKing' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
241 |
242 | /// King missing for castling right.
243 | case missingKing(CastlingRights.Right)
| `- warning: associated value 'missingKing' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
244 |
245 | /// Rook missing for castling right.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:27:15: note: consider making enum 'Right' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:246:10: warning: associated value 'missingRook' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
244 |
245 | /// Rook missing for castling right.
246 | case missingRook(CastlingRights.Right)
| `- warning: associated value 'missingRook' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
247 |
248 | /// Wrong rank for en passant target.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:27:15: note: consider making enum 'Right' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:249:10: warning: associated value 'wrongEnPassantTargetRank' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Rank'
247 |
248 | /// Wrong rank for en passant target.
249 | case wrongEnPassantTargetRank(Rank)
| `- warning: associated value 'wrongEnPassantTargetRank' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Rank'
250 |
251 | /// Non empty en passant target square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Rank.swift:24:13: note: consider making enum 'Rank' conform to the 'Sendable' protocol
22 | ///
23 | /// `Rank`s refer to the eight rows of a chess board, beginning with 1 at the bottom and ending with 8 at the top.
24 | public enum Rank: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'Rank' conform to the 'Sendable' protocol
25 |
26 | /// A direction in rank.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:252:10: warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
250 |
251 | /// Non empty en passant target square.
252 | case nonEmptyEnPassantTarget(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
253 |
254 | /// Pawn missing for previous en passant.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:252:10: warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
250 |
251 | /// Non empty en passant target square.
252 | case nonEmptyEnPassantTarget(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
253 |
254 | /// Pawn missing for previous en passant.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:22:15: note: consider making struct 'Piece' conform to the 'Sendable' protocol
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:255:10: warning: associated value 'missingEnPassantPawn' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Square'
253 |
254 | /// Pawn missing for previous en passant.
255 | case missingEnPassantPawn(Square)
| `- warning: associated value 'missingEnPassantPawn' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Square'
256 |
257 | /// Piece found at start of en passant move.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:258:10: warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
256 |
257 | /// Piece found at start of en passant move.
258 | case nonEmptyEnPassantSquare(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
259 |
260 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:258:10: warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
256 |
257 | /// Piece found at start of en passant move.
258 | case nonEmptyEnPassantSquare(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
259 |
260 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:22:15: note: consider making struct 'Piece' conform to the 'Sendable' protocol
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:268:10: warning: associated value 'missingPiece' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Square'
266 |
267 | /// Missing piece at a square.
268 | case missingPiece(Square)
| `- warning: associated value 'missingPiece' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Square'
269 |
270 | /// Attempted illegal move.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Move'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Move'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Move.swift:22:15: note: consider making struct 'Move' conform to the 'Sendable' protocol
20 |
21 | /// A chess move from a start `Square` to an end `Square`.
22 | public struct Move: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Move' conform to the 'Sendable' protocol
23 |
24 | /// The move's start square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Color'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Color'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:22:13: note: consider making enum 'Color' conform to the 'Sendable' protocol
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Board'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Board'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Board.swift:24:15: note: consider making struct 'Board' conform to the 'Sendable' protocol
22 | ///
23 | /// Pieces map to separate instances of `Bitboard` which can be retrieved with `bitboard(for:)`.
24 | public struct Board: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Board' conform to the 'Sendable' protocol
25 |
26 | /// A chess board space.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:274:10: warning: associated value 'invalidPromotion' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Piece.Kind'
272 |
273 | /// Could not promote with a piece kind.
274 | case invalidPromotion(Piece.Kind)
| `- warning: associated value 'invalidPromotion' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Piece.Kind'
275 |
276 | /// The error message.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:25:15: note: consider making enum 'Kind' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[10/22] Compiling SwiftChessCore File.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:31:23: warning: static property '_white' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
:
29 |
30 | /// White color regardless of Swift version.
31 | internal static let _white = Color.white
| |- warning: static property '_white' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
32 |
33 | /// Black color regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:34:23: warning: static property '_black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
:
32 |
33 | /// Black color regardless of Swift version.
34 | internal static let _black = Color.black
| |- warning: static property '_black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
35 |
36 | /// An array of all colors.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:37:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Color]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
:
35 |
36 | /// An array of all colors.
37 | public static let all: [Color] = [.white, .black]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Color]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
38 |
39 | /// Whether the color is white or not.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:62:23: warning: static property '_a' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
60 |
61 | /// A regardless of Swift version.
62 | internal static let _a = File.a
| |- warning: static property '_a' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_a' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
63 |
64 | /// B regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:65:23: warning: static property '_b' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
63 |
64 | /// B regardless of Swift version.
65 | internal static let _b = File.b
| |- warning: static property '_b' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_b' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
66 |
67 | /// C regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:68:23: warning: static property '_c' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
66 |
67 | /// C regardless of Swift version.
68 | internal static let _c = File.c
| |- warning: static property '_c' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_c' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
69 |
70 | /// D regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:71:23: warning: static property '_d' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
69 |
70 | /// D regardless of Swift version.
71 | internal static let _d = File.d
| |- warning: static property '_d' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_d' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
72 |
73 | /// E regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:74:23: warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
72 |
73 | /// E regardless of Swift version.
74 | internal static let _e = File.e
| |- warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_e' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
75 |
76 | /// F regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:77:23: warning: static property '_f' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
75 |
76 | /// F regardless of Swift version.
77 | internal static let _f = File.f
| |- warning: static property '_f' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_f' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
78 |
79 | /// G regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:80:23: warning: static property '_g' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
78 |
79 | /// G regardless of Swift version.
80 | internal static let _g = File.g
| |- warning: static property '_g' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_g' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
81 |
82 | /// H regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:83:23: warning: static property '_h' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
81 |
82 | /// H regardless of Swift version.
83 | internal static let _h = File.h
| |- warning: static property '_h' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_h' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
84 |
85 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:90:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[File]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
88 |
89 | /// An array of all files.
90 | public static let all: [File] = [.a, .b, .c, .d, .e, .f, .g, .h]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[File]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
91 |
92 | /// The column index of `self`.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:35:25: warning: static property '_draw' is not concurrency-safe because non-'Sendable' type 'Game.Outcome' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
24 |
25 | /// A chess game outcome.
26 | public enum Outcome: Hashable, CustomStringConvertible {
| `- note: consider making enum 'Outcome' conform to the 'Sendable' protocol
27 |
28 | /// A win for a `Color`.
:
33 |
34 | /// Draw.
35 | internal static let _draw = Outcome.draw
| |- warning: static property '_draw' is not concurrency-safe because non-'Sendable' type 'Game.Outcome' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_draw' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
36 |
37 | /// Win.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:240:10: warning: associated value 'wrongKingCount' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Color'
238 |
239 | /// Found number other than 1 for king count.
240 | case wrongKingCount(Color)
| `- warning: associated value 'wrongKingCount' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Color'
241 |
242 | /// King missing for castling right.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:22:13: note: consider making enum 'Color' conform to the 'Sendable' protocol
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:243:10: warning: associated value 'missingKing' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
241 |
242 | /// King missing for castling right.
243 | case missingKing(CastlingRights.Right)
| `- warning: associated value 'missingKing' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
244 |
245 | /// Rook missing for castling right.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:27:15: note: consider making enum 'Right' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:246:10: warning: associated value 'missingRook' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
244 |
245 | /// Rook missing for castling right.
246 | case missingRook(CastlingRights.Right)
| `- warning: associated value 'missingRook' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
247 |
248 | /// Wrong rank for en passant target.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:27:15: note: consider making enum 'Right' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:249:10: warning: associated value 'wrongEnPassantTargetRank' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Rank'
247 |
248 | /// Wrong rank for en passant target.
249 | case wrongEnPassantTargetRank(Rank)
| `- warning: associated value 'wrongEnPassantTargetRank' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Rank'
250 |
251 | /// Non empty en passant target square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Rank.swift:24:13: note: consider making enum 'Rank' conform to the 'Sendable' protocol
22 | ///
23 | /// `Rank`s refer to the eight rows of a chess board, beginning with 1 at the bottom and ending with 8 at the top.
24 | public enum Rank: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'Rank' conform to the 'Sendable' protocol
25 |
26 | /// A direction in rank.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:252:10: warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
250 |
251 | /// Non empty en passant target square.
252 | case nonEmptyEnPassantTarget(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
253 |
254 | /// Pawn missing for previous en passant.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:252:10: warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
250 |
251 | /// Non empty en passant target square.
252 | case nonEmptyEnPassantTarget(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
253 |
254 | /// Pawn missing for previous en passant.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:22:15: note: consider making struct 'Piece' conform to the 'Sendable' protocol
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:255:10: warning: associated value 'missingEnPassantPawn' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Square'
253 |
254 | /// Pawn missing for previous en passant.
255 | case missingEnPassantPawn(Square)
| `- warning: associated value 'missingEnPassantPawn' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Square'
256 |
257 | /// Piece found at start of en passant move.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:258:10: warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
256 |
257 | /// Piece found at start of en passant move.
258 | case nonEmptyEnPassantSquare(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
259 |
260 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:258:10: warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
256 |
257 | /// Piece found at start of en passant move.
258 | case nonEmptyEnPassantSquare(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
259 |
260 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:22:15: note: consider making struct 'Piece' conform to the 'Sendable' protocol
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:268:10: warning: associated value 'missingPiece' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Square'
266 |
267 | /// Missing piece at a square.
268 | case missingPiece(Square)
| `- warning: associated value 'missingPiece' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Square'
269 |
270 | /// Attempted illegal move.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Move'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Move'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Move.swift:22:15: note: consider making struct 'Move' conform to the 'Sendable' protocol
20 |
21 | /// A chess move from a start `Square` to an end `Square`.
22 | public struct Move: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Move' conform to the 'Sendable' protocol
23 |
24 | /// The move's start square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Color'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Color'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:22:13: note: consider making enum 'Color' conform to the 'Sendable' protocol
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Board'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Board'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Board.swift:24:15: note: consider making struct 'Board' conform to the 'Sendable' protocol
22 | ///
23 | /// Pieces map to separate instances of `Bitboard` which can be retrieved with `bitboard(for:)`.
24 | public struct Board: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Board' conform to the 'Sendable' protocol
25 |
26 | /// A chess board space.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:274:10: warning: associated value 'invalidPromotion' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Piece.Kind'
272 |
273 | /// Could not promote with a piece kind.
274 | case invalidPromotion(Piece.Kind)
| `- warning: associated value 'invalidPromotion' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Piece.Kind'
275 |
276 | /// The error message.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:25:15: note: consider making enum 'Kind' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[11/22] Compiling SwiftChessCore Game.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:31:23: warning: static property '_white' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
:
29 |
30 | /// White color regardless of Swift version.
31 | internal static let _white = Color.white
| |- warning: static property '_white' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
32 |
33 | /// Black color regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:34:23: warning: static property '_black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
:
32 |
33 | /// Black color regardless of Swift version.
34 | internal static let _black = Color.black
| |- warning: static property '_black' is not concurrency-safe because non-'Sendable' type 'Color' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
35 |
36 | /// An array of all colors.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:37:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Color]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
:
35 |
36 | /// An array of all colors.
37 | public static let all: [Color] = [.white, .black]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Color]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
38 |
39 | /// Whether the color is white or not.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:62:23: warning: static property '_a' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
60 |
61 | /// A regardless of Swift version.
62 | internal static let _a = File.a
| |- warning: static property '_a' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_a' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
63 |
64 | /// B regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:65:23: warning: static property '_b' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
63 |
64 | /// B regardless of Swift version.
65 | internal static let _b = File.b
| |- warning: static property '_b' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_b' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
66 |
67 | /// C regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:68:23: warning: static property '_c' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
66 |
67 | /// C regardless of Swift version.
68 | internal static let _c = File.c
| |- warning: static property '_c' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_c' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
69 |
70 | /// D regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:71:23: warning: static property '_d' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
69 |
70 | /// D regardless of Swift version.
71 | internal static let _d = File.d
| |- warning: static property '_d' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_d' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
72 |
73 | /// E regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:74:23: warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
72 |
73 | /// E regardless of Swift version.
74 | internal static let _e = File.e
| |- warning: static property '_e' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_e' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
75 |
76 | /// F regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:77:23: warning: static property '_f' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
75 |
76 | /// F regardless of Swift version.
77 | internal static let _f = File.f
| |- warning: static property '_f' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_f' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
78 |
79 | /// G regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:80:23: warning: static property '_g' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
78 |
79 | /// G regardless of Swift version.
80 | internal static let _g = File.g
| |- warning: static property '_g' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_g' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
81 |
82 | /// H regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:83:23: warning: static property '_h' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
81 |
82 | /// H regardless of Swift version.
83 | internal static let _h = File.h
| |- warning: static property '_h' is not concurrency-safe because non-'Sendable' type 'File' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_h' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
84 |
85 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/File.swift:90:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[File]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Files refer to the eight columns of a chess board, beginning with A and ending with H from left to right.
24 | public enum File: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'File' conform to the 'Sendable' protocol
25 |
26 | /// A direction in file.
:
88 |
89 | /// An array of all files.
90 | public static let all: [File] = [.a, .b, .c, .d, .e, .f, .g, .h]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[File]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
91 |
92 | /// The column index of `self`.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:35:25: warning: static property '_draw' is not concurrency-safe because non-'Sendable' type 'Game.Outcome' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
24 |
25 | /// A chess game outcome.
26 | public enum Outcome: Hashable, CustomStringConvertible {
| `- note: consider making enum 'Outcome' conform to the 'Sendable' protocol
27 |
28 | /// A win for a `Color`.
:
33 |
34 | /// Draw.
35 | internal static let _draw = Outcome.draw
| |- warning: static property '_draw' is not concurrency-safe because non-'Sendable' type 'Game.Outcome' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_draw' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
36 |
37 | /// Win.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:240:10: warning: associated value 'wrongKingCount' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Color'
238 |
239 | /// Found number other than 1 for king count.
240 | case wrongKingCount(Color)
| `- warning: associated value 'wrongKingCount' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Color'
241 |
242 | /// King missing for castling right.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:22:13: note: consider making enum 'Color' conform to the 'Sendable' protocol
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:243:10: warning: associated value 'missingKing' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
241 |
242 | /// King missing for castling right.
243 | case missingKing(CastlingRights.Right)
| `- warning: associated value 'missingKing' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
244 |
245 | /// Rook missing for castling right.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:27:15: note: consider making enum 'Right' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:246:10: warning: associated value 'missingRook' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
244 |
245 | /// Rook missing for castling right.
246 | case missingRook(CastlingRights.Right)
| `- warning: associated value 'missingRook' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'CastlingRights.Right'
247 |
248 | /// Wrong rank for en passant target.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:27:15: note: consider making enum 'Right' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:249:10: warning: associated value 'wrongEnPassantTargetRank' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Rank'
247 |
248 | /// Wrong rank for en passant target.
249 | case wrongEnPassantTargetRank(Rank)
| `- warning: associated value 'wrongEnPassantTargetRank' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Rank'
250 |
251 | /// Non empty en passant target square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Rank.swift:24:13: note: consider making enum 'Rank' conform to the 'Sendable' protocol
22 | ///
23 | /// `Rank`s refer to the eight rows of a chess board, beginning with 1 at the bottom and ending with 8 at the top.
24 | public enum Rank: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'Rank' conform to the 'Sendable' protocol
25 |
26 | /// A direction in rank.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:252:10: warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
250 |
251 | /// Non empty en passant target square.
252 | case nonEmptyEnPassantTarget(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
253 |
254 | /// Pawn missing for previous en passant.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:252:10: warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
250 |
251 | /// Non empty en passant target square.
252 | case nonEmptyEnPassantTarget(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantTarget' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
253 |
254 | /// Pawn missing for previous en passant.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:22:15: note: consider making struct 'Piece' conform to the 'Sendable' protocol
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:255:10: warning: associated value 'missingEnPassantPawn' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Square'
253 |
254 | /// Pawn missing for previous en passant.
255 | case missingEnPassantPawn(Square)
| `- warning: associated value 'missingEnPassantPawn' of 'Sendable'-conforming enum 'PositionError' has non-Sendable type 'Square'
256 |
257 | /// Piece found at start of en passant move.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:258:10: warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
256 |
257 | /// Piece found at start of en passant move.
258 | case nonEmptyEnPassantSquare(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Square'
259 |
260 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:258:10: warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
256 |
257 | /// Piece found at start of en passant move.
258 | case nonEmptyEnPassantSquare(Square, Piece)
| `- warning: associated value 'nonEmptyEnPassantSquare' of 'Sendable'-conforming enum 'PositionError' contains non-Sendable type 'Piece'
259 |
260 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:22:15: note: consider making struct 'Piece' conform to the 'Sendable' protocol
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:268:10: warning: associated value 'missingPiece' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Square'
266 |
267 | /// Missing piece at a square.
268 | case missingPiece(Square)
| `- warning: associated value 'missingPiece' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Square'
269 |
270 | /// Attempted illegal move.
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:27:13: note: consider making enum 'Square' conform to the 'Sendable' protocol
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Move'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Move'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Move.swift:22:15: note: consider making struct 'Move' conform to the 'Sendable' protocol
20 |
21 | /// A chess move from a start `Square` to an end `Square`.
22 | public struct Move: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Move' conform to the 'Sendable' protocol
23 |
24 | /// The move's start square.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Color'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Color'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Color.swift:22:13: note: consider making enum 'Color' conform to the 'Sendable' protocol
20 |
21 | /// A chess color.
22 | public enum Color: String, CustomStringConvertible {
| `- note: consider making enum 'Color' conform to the 'Sendable' protocol
23 |
24 | /// White chess color.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:271:10: warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Board'
269 |
270 | /// Attempted illegal move.
271 | case illegalMove(Move, Color, Board)
| `- warning: associated value 'illegalMove' of 'Sendable'-conforming enum 'ExecutionError' contains non-Sendable type 'Board'
272 |
273 | /// Could not promote with a piece kind.
/host/spi-builder-workspace/Sources/SwiftChessCore/Board.swift:24:15: note: consider making struct 'Board' conform to the 'Sendable' protocol
22 | ///
23 | /// Pieces map to separate instances of `Bitboard` which can be retrieved with `bitboard(for:)`.
24 | public struct Board: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Board' conform to the 'Sendable' protocol
25 |
26 | /// A chess board space.
/host/spi-builder-workspace/Sources/SwiftChessCore/Game.swift:274:10: warning: associated value 'invalidPromotion' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Piece.Kind'
272 |
273 | /// Could not promote with a piece kind.
274 | case invalidPromotion(Piece.Kind)
| `- warning: associated value 'invalidPromotion' of 'Sendable'-conforming enum 'ExecutionError' has non-Sendable type 'Piece.Kind'
275 |
276 | /// The error message.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:25:15: note: consider making enum 'Kind' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[12/22] Compiling SwiftChessCore Bitboard.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:46:13: warning: let '_bitboardTable' is not concurrency-safe because non-'Sendable' type '[Bitboard]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
44 |
45 | /// A lookup table of bitboards for all squares.
46 | private let _bitboardTable: [Bitboard] = (0..<64).map { Bitboard(rawValue: 1 << $0) }
| |- warning: let '_bitboardTable' is not concurrency-safe because non-'Sendable' type '[Bitboard]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_bitboardTable' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
47 |
48 | /// The De Bruijn multiplier.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:60:13: warning: let '_notFileA' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
58 |
59 | /// Mask for bits not in File A.
60 | private let _notFileA: Bitboard = 0xfefe_fefe_fefe_fefe
| |- warning: let '_notFileA' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileA' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
61 |
62 | /// Mask for bits not in Files A and B.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:63:13: warning: let '_notFileAB' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
61 |
62 | /// Mask for bits not in Files A and B.
63 | private let _notFileAB: Bitboard = 0xfcfc_fcfc_fcfc_fcfc
| |- warning: let '_notFileAB' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileAB' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
64 |
65 | /// Mask for bits not in File H.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:66:13: warning: let '_notFileH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
64 |
65 | /// Mask for bits not in File H.
66 | private let _notFileH: Bitboard = 0x7f7f_7f7f_7f7f_7f7f
| |- warning: let '_notFileH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileH' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
67 |
68 | /// Mask for bits not in Files G and H.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:69:13: warning: let '_notFileGH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
67 |
68 | /// Mask for bits not in Files G and H.
69 | private let _notFileGH: Bitboard = 0x3f3f_3f3f_3f3f_3f3f
| |- warning: let '_notFileGH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileGH' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | /// A bitmap of sixty-four bits suitable for storing squares for various pieces.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:112:25: warning: static property '_north' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
110 |
111 | /// North regardless of Swift version.
112 | internal static let _north = ShiftDirection.north
| |- warning: static property '_north' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_north' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
113 |
114 | /// South regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:115:25: warning: static property '_south' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
113 |
114 | /// South regardless of Swift version.
115 | internal static let _south = ShiftDirection.south
| |- warning: static property '_south' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_south' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |
117 | /// East regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:118:25: warning: static property '_east' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
116 |
117 | /// East regardless of Swift version.
118 | internal static let _east = ShiftDirection.east
| |- warning: static property '_east' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_east' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
119 |
120 | /// West regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:121:25: warning: static property '_west' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
119 |
120 | /// West regardless of Swift version.
121 | internal static let _west = ShiftDirection.west
| |- warning: static property '_west' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_west' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
122 |
123 | /// Northeast regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:124:25: warning: static property '_northeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
122 |
123 | /// Northeast regardless of Swift version.
124 | internal static let _northeast = ShiftDirection.northeast
| |- warning: static property '_northeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_northeast' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
125 |
126 | /// Southeast regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:127:25: warning: static property '_southeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
125 |
126 | /// Southeast regardless of Swift version.
127 | internal static let _southeast = ShiftDirection.southeast
| |- warning: static property '_southeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_southeast' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
128 |
129 | /// Northwest regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:130:25: warning: static property '_northwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
128 |
129 | /// Northwest regardless of Swift version.
130 | internal static let _northwest = ShiftDirection.northwest
| |- warning: static property '_northwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_northwest' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |
132 | /// Southwest regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:133:25: warning: static property '_southwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
131 |
132 | /// Southwest regardless of Swift version.
133 | internal static let _southwest = ShiftDirection.southwest
| |- warning: static property '_southwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_southwest' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
134 |
135 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:156:21: warning: static property 'edges' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
:
154 |
155 | /// The edges of a board.
156 | public static let edges: Bitboard = 0xff81_8181_8181_81ff
| |- warning: static property 'edges' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'edges' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
157 |
158 | /// The corresponding value of the "raw" type.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:42:23: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
40 |
41 | /// All rights.
42 | public static let all: [Right] = [
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | .whiteKingside, .whiteQueenside, .blackKingside, .blackQueenside,
44 | ]
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:47:23: warning: static property 'white' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
45 |
46 | /// White rights.
47 | public static let white: [Right] = all.filter({ $0.color.isWhite })
| |- warning: static property 'white' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
48 |
49 | /// Black rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:50:23: warning: static property 'black' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
48 |
49 | /// Black rights.
50 | public static let black: [Right] = all.filter({ $0.color.isBlack })
| |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
51 |
52 | /// Kingside rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:53:23: warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
51 |
52 | /// Kingside rights.
53 | public static let kingside: [Right] = all.filter({ $0.side.isKingside })
| |- warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'kingside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
54 |
55 | /// Queenside rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:56:23: warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
54 |
55 | /// Queenside rights.
56 | public static let queenside: [Right] = all.filter({ $0.side.isQueenside })
| |- warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'queenside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
57 |
58 | /// The color for `self`.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:176:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
174 |
175 | /// All castling rights.
176 | public static let all = CastlingRights(Right.all)
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 | /// White castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:179:21: warning: static property 'white' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
177 |
178 | /// White castling rights.
179 | public static let white = CastlingRights(Right.white)
| |- warning: static property 'white' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
180 |
181 | /// Black castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:182:21: warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
180 |
181 | /// Black castling rights.
182 | public static let black = CastlingRights(Right.black)
| |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
183 |
184 | /// Kingside castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:185:21: warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
183 |
184 | /// Kingside castling rights.
185 | public static let kingside = CastlingRights(Right.kingside)
| |- warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'kingside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
186 |
187 | /// Queenside castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:188:21: warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
186 |
187 | /// Queenside castling rights.
188 | public static let queenside = CastlingRights(Right.queenside)
| |- warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'queenside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |
190 | /// The rights.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[13/22] Compiling SwiftChessCore Board.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:46:13: warning: let '_bitboardTable' is not concurrency-safe because non-'Sendable' type '[Bitboard]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
44 |
45 | /// A lookup table of bitboards for all squares.
46 | private let _bitboardTable: [Bitboard] = (0..<64).map { Bitboard(rawValue: 1 << $0) }
| |- warning: let '_bitboardTable' is not concurrency-safe because non-'Sendable' type '[Bitboard]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_bitboardTable' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
47 |
48 | /// The De Bruijn multiplier.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:60:13: warning: let '_notFileA' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
58 |
59 | /// Mask for bits not in File A.
60 | private let _notFileA: Bitboard = 0xfefe_fefe_fefe_fefe
| |- warning: let '_notFileA' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileA' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
61 |
62 | /// Mask for bits not in Files A and B.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:63:13: warning: let '_notFileAB' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
61 |
62 | /// Mask for bits not in Files A and B.
63 | private let _notFileAB: Bitboard = 0xfcfc_fcfc_fcfc_fcfc
| |- warning: let '_notFileAB' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileAB' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
64 |
65 | /// Mask for bits not in File H.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:66:13: warning: let '_notFileH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
64 |
65 | /// Mask for bits not in File H.
66 | private let _notFileH: Bitboard = 0x7f7f_7f7f_7f7f_7f7f
| |- warning: let '_notFileH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileH' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
67 |
68 | /// Mask for bits not in Files G and H.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:69:13: warning: let '_notFileGH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
67 |
68 | /// Mask for bits not in Files G and H.
69 | private let _notFileGH: Bitboard = 0x3f3f_3f3f_3f3f_3f3f
| |- warning: let '_notFileGH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileGH' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | /// A bitmap of sixty-four bits suitable for storing squares for various pieces.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:112:25: warning: static property '_north' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
110 |
111 | /// North regardless of Swift version.
112 | internal static let _north = ShiftDirection.north
| |- warning: static property '_north' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_north' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
113 |
114 | /// South regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:115:25: warning: static property '_south' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
113 |
114 | /// South regardless of Swift version.
115 | internal static let _south = ShiftDirection.south
| |- warning: static property '_south' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_south' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |
117 | /// East regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:118:25: warning: static property '_east' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
116 |
117 | /// East regardless of Swift version.
118 | internal static let _east = ShiftDirection.east
| |- warning: static property '_east' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_east' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
119 |
120 | /// West regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:121:25: warning: static property '_west' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
119 |
120 | /// West regardless of Swift version.
121 | internal static let _west = ShiftDirection.west
| |- warning: static property '_west' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_west' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
122 |
123 | /// Northeast regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:124:25: warning: static property '_northeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
122 |
123 | /// Northeast regardless of Swift version.
124 | internal static let _northeast = ShiftDirection.northeast
| |- warning: static property '_northeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_northeast' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
125 |
126 | /// Southeast regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:127:25: warning: static property '_southeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
125 |
126 | /// Southeast regardless of Swift version.
127 | internal static let _southeast = ShiftDirection.southeast
| |- warning: static property '_southeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_southeast' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
128 |
129 | /// Northwest regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:130:25: warning: static property '_northwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
128 |
129 | /// Northwest regardless of Swift version.
130 | internal static let _northwest = ShiftDirection.northwest
| |- warning: static property '_northwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_northwest' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |
132 | /// Southwest regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:133:25: warning: static property '_southwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
131 |
132 | /// Southwest regardless of Swift version.
133 | internal static let _southwest = ShiftDirection.southwest
| |- warning: static property '_southwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_southwest' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
134 |
135 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:156:21: warning: static property 'edges' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
:
154 |
155 | /// The edges of a board.
156 | public static let edges: Bitboard = 0xff81_8181_8181_81ff
| |- warning: static property 'edges' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'edges' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
157 |
158 | /// The corresponding value of the "raw" type.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:42:23: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
40 |
41 | /// All rights.
42 | public static let all: [Right] = [
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | .whiteKingside, .whiteQueenside, .blackKingside, .blackQueenside,
44 | ]
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:47:23: warning: static property 'white' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
45 |
46 | /// White rights.
47 | public static let white: [Right] = all.filter({ $0.color.isWhite })
| |- warning: static property 'white' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
48 |
49 | /// Black rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:50:23: warning: static property 'black' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
48 |
49 | /// Black rights.
50 | public static let black: [Right] = all.filter({ $0.color.isBlack })
| |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
51 |
52 | /// Kingside rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:53:23: warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
51 |
52 | /// Kingside rights.
53 | public static let kingside: [Right] = all.filter({ $0.side.isKingside })
| |- warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'kingside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
54 |
55 | /// Queenside rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:56:23: warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
54 |
55 | /// Queenside rights.
56 | public static let queenside: [Right] = all.filter({ $0.side.isQueenside })
| |- warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'queenside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
57 |
58 | /// The color for `self`.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:176:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
174 |
175 | /// All castling rights.
176 | public static let all = CastlingRights(Right.all)
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 | /// White castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:179:21: warning: static property 'white' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
177 |
178 | /// White castling rights.
179 | public static let white = CastlingRights(Right.white)
| |- warning: static property 'white' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
180 |
181 | /// Black castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:182:21: warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
180 |
181 | /// Black castling rights.
182 | public static let black = CastlingRights(Right.black)
| |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
183 |
184 | /// Kingside castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:185:21: warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
183 |
184 | /// Kingside castling rights.
185 | public static let kingside = CastlingRights(Right.kingside)
| |- warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'kingside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
186 |
187 | /// Queenside castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:188:21: warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
186 |
187 | /// Queenside castling rights.
188 | public static let queenside = CastlingRights(Right.queenside)
| |- warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'queenside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |
190 | /// The rights.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[14/22] Compiling SwiftChessCore CastlingRights.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:46:13: warning: let '_bitboardTable' is not concurrency-safe because non-'Sendable' type '[Bitboard]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
44 |
45 | /// A lookup table of bitboards for all squares.
46 | private let _bitboardTable: [Bitboard] = (0..<64).map { Bitboard(rawValue: 1 << $0) }
| |- warning: let '_bitboardTable' is not concurrency-safe because non-'Sendable' type '[Bitboard]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_bitboardTable' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
47 |
48 | /// The De Bruijn multiplier.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:60:13: warning: let '_notFileA' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
58 |
59 | /// Mask for bits not in File A.
60 | private let _notFileA: Bitboard = 0xfefe_fefe_fefe_fefe
| |- warning: let '_notFileA' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileA' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
61 |
62 | /// Mask for bits not in Files A and B.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:63:13: warning: let '_notFileAB' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
61 |
62 | /// Mask for bits not in Files A and B.
63 | private let _notFileAB: Bitboard = 0xfcfc_fcfc_fcfc_fcfc
| |- warning: let '_notFileAB' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileAB' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
64 |
65 | /// Mask for bits not in File H.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:66:13: warning: let '_notFileH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
64 |
65 | /// Mask for bits not in File H.
66 | private let _notFileH: Bitboard = 0x7f7f_7f7f_7f7f_7f7f
| |- warning: let '_notFileH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileH' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
67 |
68 | /// Mask for bits not in Files G and H.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:69:13: warning: let '_notFileGH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
67 |
68 | /// Mask for bits not in Files G and H.
69 | private let _notFileGH: Bitboard = 0x3f3f_3f3f_3f3f_3f3f
| |- warning: let '_notFileGH' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make let '_notFileGH' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
70 |
71 | /// A bitmap of sixty-four bits suitable for storing squares for various pieces.
:
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:112:25: warning: static property '_north' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
110 |
111 | /// North regardless of Swift version.
112 | internal static let _north = ShiftDirection.north
| |- warning: static property '_north' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_north' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
113 |
114 | /// South regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:115:25: warning: static property '_south' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
113 |
114 | /// South regardless of Swift version.
115 | internal static let _south = ShiftDirection.south
| |- warning: static property '_south' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_south' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |
117 | /// East regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:118:25: warning: static property '_east' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
116 |
117 | /// East regardless of Swift version.
118 | internal static let _east = ShiftDirection.east
| |- warning: static property '_east' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_east' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
119 |
120 | /// West regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:121:25: warning: static property '_west' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
119 |
120 | /// West regardless of Swift version.
121 | internal static let _west = ShiftDirection.west
| |- warning: static property '_west' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_west' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
122 |
123 | /// Northeast regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:124:25: warning: static property '_northeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
122 |
123 | /// Northeast regardless of Swift version.
124 | internal static let _northeast = ShiftDirection.northeast
| |- warning: static property '_northeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_northeast' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
125 |
126 | /// Southeast regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:127:25: warning: static property '_southeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
125 |
126 | /// Southeast regardless of Swift version.
127 | internal static let _southeast = ShiftDirection.southeast
| |- warning: static property '_southeast' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_southeast' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
128 |
129 | /// Northwest regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:130:25: warning: static property '_northwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
128 |
129 | /// Northwest regardless of Swift version.
130 | internal static let _northwest = ShiftDirection.northwest
| |- warning: static property '_northwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_northwest' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
131 |
132 | /// Southwest regardless of Swift version.
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:133:25: warning: static property '_southwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
83 |
84 | /// A bitboard shift direction.
85 | public enum ShiftDirection {
| `- note: consider making enum 'ShiftDirection' conform to the 'Sendable' protocol
86 |
87 | /// North direction.
:
131 |
132 | /// Southwest regardless of Swift version.
133 | internal static let _southwest = ShiftDirection.southwest
| |- warning: static property '_southwest' is not concurrency-safe because non-'Sendable' type 'Bitboard.ShiftDirection' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_southwest' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
134 |
135 | }
/host/spi-builder-workspace/Sources/SwiftChessCore/Bitboard.swift:156:21: warning: static property 'edges' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
80 | /// - see also: [Bitboard (Wikipedia)](https://en.wikipedia.org/wiki/Bitboard ),
81 | /// [Bitboards (Chess Programming Wiki)](https://chessprogramming.org/Bitboards)
82 | public struct Bitboard: RawRepresentable, Hashable, CustomStringConvertible {
| `- note: consider making struct 'Bitboard' conform to the 'Sendable' protocol
83 |
84 | /// A bitboard shift direction.
:
154 |
155 | /// The edges of a board.
156 | public static let edges: Bitboard = 0xff81_8181_8181_81ff
| |- warning: static property 'edges' is not concurrency-safe because non-'Sendable' type 'Bitboard' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'edges' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
157 |
158 | /// The corresponding value of the "raw" type.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:42:23: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
40 |
41 | /// All rights.
42 | public static let all: [Right] = [
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 | .whiteKingside, .whiteQueenside, .blackKingside, .blackQueenside,
44 | ]
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:47:23: warning: static property 'white' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
45 |
46 | /// White rights.
47 | public static let white: [Right] = all.filter({ $0.color.isWhite })
| |- warning: static property 'white' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
48 |
49 | /// Black rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:50:23: warning: static property 'black' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
48 |
49 | /// Black rights.
50 | public static let black: [Right] = all.filter({ $0.color.isBlack })
| |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
51 |
52 | /// Kingside rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:53:23: warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
51 |
52 | /// Kingside rights.
53 | public static let kingside: [Right] = all.filter({ $0.side.isKingside })
| |- warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'kingside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
54 |
55 | /// Queenside rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:56:23: warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 |
26 | /// A castling right.
27 | public enum Right: String, CustomStringConvertible {
| `- note: consider making enum 'Right' conform to the 'Sendable' protocol
28 |
29 | /// White can castle kingside.
:
54 |
55 | /// Queenside rights.
56 | public static let queenside: [Right] = all.filter({ $0.side.isQueenside })
| |- warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type '[CastlingRights.Right]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'queenside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
57 |
58 | /// The color for `self`.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:176:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
174 |
175 | /// All castling rights.
176 | public static let all = CastlingRights(Right.all)
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 | /// White castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:179:21: warning: static property 'white' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
177 |
178 | /// White castling rights.
179 | public static let white = CastlingRights(Right.white)
| |- warning: static property 'white' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'white' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
180 |
181 | /// Black castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:182:21: warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
180 |
181 | /// Black castling rights.
182 | public static let black = CastlingRights(Right.black)
| |- warning: static property 'black' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'black' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
183 |
184 | /// Kingside castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:185:21: warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
183 |
184 | /// Kingside castling rights.
185 | public static let kingside = CastlingRights(Right.kingside)
| |- warning: static property 'kingside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'kingside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
186 |
187 | /// Queenside castling rights.
/host/spi-builder-workspace/Sources/SwiftChessCore/CastlingRights.swift:188:21: warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// Defines whether a `Color` has the right to castle for a `Board.Side`.
24 | public struct CastlingRights: CustomStringConvertible {
| `- note: consider making struct 'CastlingRights' conform to the 'Sendable' protocol
25 |
26 | /// A castling right.
:
186 |
187 | /// Queenside castling rights.
188 | public static let queenside = CastlingRights(Right.queenside)
| |- warning: static property 'queenside' is not concurrency-safe because non-'Sendable' type 'CastlingRights' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'queenside' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
189 |
190 | /// The rights.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[15/22] Compiling SwiftChessCore Player.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Rank.swift:66:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Rank]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// `Rank`s refer to the eight rows of a chess board, beginning with 1 at the bottom and ending with 8 at the top.
24 | public enum Rank: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'Rank' conform to the 'Sendable' protocol
25 |
26 | /// A direction in rank.
:
64 |
65 | /// An array of all ranks.
66 | public static let all: [Rank] = [1, 2, 3, 4, 5, 6, 7, 8]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Rank]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
67 |
68 | /// The row index of `self`.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[16/22] Compiling SwiftChessCore Rank.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Rank.swift:66:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Rank]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
22 | ///
23 | /// `Rank`s refer to the eight rows of a chess board, beginning with 1 at the bottom and ending with 8 at the top.
24 | public enum Rank: Int, Comparable, CustomStringConvertible {
| `- note: consider making enum 'Rank' conform to the 'Sendable' protocol
25 |
26 | /// A direction in rank.
:
64 |
65 | /// An array of all ranks.
66 | public static let all: [Rank] = [1, 2, 3, 4, 5, 6, 7, 8]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Rank]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
67 |
68 | /// The row index of `self`.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[17/22] Compiling SwiftChessCore Sequence+Sage.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:226:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Square]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
:
224 |
225 | /// An array of all squares.
226 | public static let all: [Square] = (0..<64).compactMap(Square.init(rawValue:))
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Square]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
227 |
228 | /// The file of `self`.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[18/22] Compiling SwiftChessCore Square.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Square.swift:226:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Square]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
25 | ///
26 | /// A `Square` can be one of sixty-four possible values, ranging from `A1` to `H8`.
27 | public enum Square: Int, CustomStringConvertible {
| `- note: consider making enum 'Square' conform to the 'Sendable' protocol
28 |
29 | /// A1 square.
:
224 |
225 | /// An array of all squares.
226 | public static let all: [Square] = (0..<64).compactMap(Square.init(rawValue:))
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Square]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
227 |
228 | /// The file of `self`.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[19/22] Compiling SwiftChessCore Move.swift
[20/22] Compiling SwiftChessCore PGN.swift
[21/22] Compiling SwiftChessCore PGNMove.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:46:25: warning: static property '_pawn' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
44 |
45 | /// Pawn
46 | internal static let _pawn = Kind.pawn
| |- warning: static property '_pawn' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_pawn' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
47 |
48 | /// Knight
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:49:25: warning: static property '_knight' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
47 |
48 | /// Knight
49 | internal static let _knight = Kind.knight
| |- warning: static property '_knight' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_knight' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
50 |
51 | /// Bishop
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:52:25: warning: static property '_bishop' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
50 |
51 | /// Bishop
52 | internal static let _bishop = Kind.bishop
| |- warning: static property '_bishop' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_bishop' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
53 |
54 | /// Rook
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:55:25: warning: static property '_rook' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
53 |
54 | /// Rook
55 | internal static let _rook = Kind.rook
| |- warning: static property '_rook' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_rook' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
56 |
57 | /// Queen
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:58:25: warning: static property '_queen' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
56 |
57 | /// Queen
58 | internal static let _queen = Kind.queen
| |- warning: static property '_queen' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_queen' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
59 |
60 | /// King
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:61:25: warning: static property '_king' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
59 |
60 | /// King
61 | internal static let _king = Kind.king
| |- warning: static property '_king' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_king' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
62 |
63 | /// An array of all piece kinds.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:64:23: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece.Kind]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
62 |
63 | /// An array of all piece kinds.
64 | public static let all: [Kind] = [.pawn, .knight, .bishop, .rook, .queen, .king]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece.Kind]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
65 |
66 | /// The piece kind's name.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:140:23: warning: static property '_whiteNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
138 | }
139 |
140 | internal static let _whiteNonQueens: [Piece] = whitePieces.filter({ !$0.kind.isQueen })
| |- warning: static property '_whiteNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_whiteNonQueens' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |
142 | internal static let _blackNonQueens: [Piece] = blackPieces.filter({ !$0.kind.isQueen })
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:142:23: warning: static property '_blackNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
140 | internal static let _whiteNonQueens: [Piece] = whitePieces.filter({ !$0.kind.isQueen })
141 |
142 | internal static let _blackNonQueens: [Piece] = blackPieces.filter({ !$0.kind.isQueen })
| |- warning: static property '_blackNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_blackNonQueens' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
143 |
144 | internal static func _nonQueens(for color: Color) -> [Piece] {
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:149:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
147 |
148 | /// An array of all pieces.
149 | public static let all: [Piece] = {
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
150 | return [.white, .black].reduce([]) { pieces, color in
151 | return pieces + Kind.all.map({ Piece(kind: $0, color: color) })
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:156:21: warning: static property 'whitePieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
154 |
155 | /// An array of all white pieces.
156 | public static let whitePieces: [Piece] = all.filter({ $0.color.isWhite })
| |- warning: static property 'whitePieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'whitePieces' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
157 |
158 | /// An array of all black pieces.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:159:21: warning: static property 'blackPieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
157 |
158 | /// An array of all black pieces.
159 | public static let blackPieces: [Piece] = all.filter({ $0.color.isBlack })
| |- warning: static property 'blackPieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'blackPieces' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
160 |
161 | /// Returns an array of all pieces for `color`.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[22/22] Compiling SwiftChessCore Piece.swift
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:46:25: warning: static property '_pawn' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
44 |
45 | /// Pawn
46 | internal static let _pawn = Kind.pawn
| |- warning: static property '_pawn' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_pawn' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
47 |
48 | /// Knight
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:49:25: warning: static property '_knight' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
47 |
48 | /// Knight
49 | internal static let _knight = Kind.knight
| |- warning: static property '_knight' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_knight' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
50 |
51 | /// Bishop
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:52:25: warning: static property '_bishop' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
50 |
51 | /// Bishop
52 | internal static let _bishop = Kind.bishop
| |- warning: static property '_bishop' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_bishop' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
53 |
54 | /// Rook
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:55:25: warning: static property '_rook' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
53 |
54 | /// Rook
55 | internal static let _rook = Kind.rook
| |- warning: static property '_rook' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_rook' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
56 |
57 | /// Queen
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:58:25: warning: static property '_queen' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
56 |
57 | /// Queen
58 | internal static let _queen = Kind.queen
| |- warning: static property '_queen' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_queen' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
59 |
60 | /// King
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:61:25: warning: static property '_king' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
59 |
60 | /// King
61 | internal static let _king = Kind.king
| |- warning: static property '_king' is not concurrency-safe because non-'Sendable' type 'Piece.Kind' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_king' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
62 |
63 | /// An array of all piece kinds.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:64:23: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece.Kind]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
23 |
24 | /// A piece kind.
25 | public enum Kind: Int {
| `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
26 |
27 | /// Pawn piece kind.
:
62 |
63 | /// An array of all piece kinds.
64 | public static let all: [Kind] = [.pawn, .knight, .bishop, .rook, .queen, .king]
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece.Kind]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
65 |
66 | /// The piece kind's name.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:140:23: warning: static property '_whiteNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
138 | }
139 |
140 | internal static let _whiteNonQueens: [Piece] = whitePieces.filter({ !$0.kind.isQueen })
| |- warning: static property '_whiteNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_whiteNonQueens' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
141 |
142 | internal static let _blackNonQueens: [Piece] = blackPieces.filter({ !$0.kind.isQueen })
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:142:23: warning: static property '_blackNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
140 | internal static let _whiteNonQueens: [Piece] = whitePieces.filter({ !$0.kind.isQueen })
141 |
142 | internal static let _blackNonQueens: [Piece] = blackPieces.filter({ !$0.kind.isQueen })
| |- warning: static property '_blackNonQueens' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property '_blackNonQueens' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
143 |
144 | internal static func _nonQueens(for color: Color) -> [Piece] {
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:149:21: warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
147 |
148 | /// An array of all pieces.
149 | public static let all: [Piece] = {
| |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'all' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
150 | return [.white, .black].reduce([]) { pieces, color in
151 | return pieces + Kind.all.map({ Piece(kind: $0, color: color) })
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:156:21: warning: static property 'whitePieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
154 |
155 | /// An array of all white pieces.
156 | public static let whitePieces: [Piece] = all.filter({ $0.color.isWhite })
| |- warning: static property 'whitePieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'whitePieces' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
157 |
158 | /// An array of all black pieces.
/host/spi-builder-workspace/Sources/SwiftChessCore/Piece.swift:159:21: warning: static property 'blackPieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
20 |
21 | /// A chess piece.
22 | public struct Piece: Hashable, CustomStringConvertible {
| `- note: consider making struct 'Piece' conform to the 'Sendable' protocol
23 |
24 | /// A piece kind.
:
157 |
158 | /// An array of all black pieces.
159 | public static let blackPieces: [Piece] = all.filter({ $0.color.isBlack })
| |- warning: static property 'blackPieces' is not concurrency-safe because non-'Sendable' type '[Piece]' may have shared mutable state; this is an error in the Swift 6 language mode [#MutableGlobalVariable]
| |- note: add '@MainActor' to make static property 'blackPieces' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
160 |
161 | /// Returns an array of all pieces for `color`.
[#MutableGlobalVariable]: <https://docs.swift.org/compiler/documentation/diagnostics/mutable-global-variable>
[24/25] Emitting module SwiftChessUI
[25/25] Compiling SwiftChessUI Board+View.swift
Build complete! (18.96s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "swift-chess-neo",
"name" : "swift-chess-neo",
"path" : "/host/spi-builder-workspace",
"platforms" : [
],
"products" : [
{
"name" : "SwiftChessCore",
"targets" : [
"SwiftChessCore"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "SwiftChessUI",
"targets" : [
"SwiftChessUI"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SwiftChessUI",
"module_type" : "SwiftTarget",
"name" : "SwiftChessUI",
"path" : "Sources/SwiftChessUI",
"product_memberships" : [
"SwiftChessUI"
],
"sources" : [
"Board+View.swift"
],
"target_dependencies" : [
"SwiftChessCore"
],
"type" : "library"
},
{
"c99name" : "SwiftChessCoreTests",
"module_type" : "SwiftTarget",
"name" : "SwiftChessCoreTests",
"path" : "Tests/SwiftChessCoreTests",
"sources" : [
"MiscTests.swift",
"PGNParsingTests.swift",
"SwiftChessCoreTests.swift"
],
"target_dependencies" : [
"SwiftChessCore"
],
"type" : "test"
},
{
"c99name" : "SwiftChessCore",
"module_type" : "SwiftTarget",
"name" : "SwiftChessCore",
"path" : "Sources/SwiftChessCore",
"product_memberships" : [
"SwiftChessCore",
"SwiftChessUI"
],
"sources" : [
"Bitboard.swift",
"Board.swift",
"CastlingRights.swift",
"Color.swift",
"File.swift",
"Game.swift",
"InternalTypes.swift",
"Minimax.swift",
"Move.swift",
"PGN.swift",
"PGNMove.swift",
"Piece.swift",
"Player.swift",
"Rank.swift",
"Sequence+Sage.swift",
"Square.swift",
"Tables.swift",
"Variant.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Done.