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Build Information

Failed to build PureMVC, reference master (c6749c), with Swift 6.3 for Wasm on 11 Apr 2026 13:58:36 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/puremvc/puremvc-swift-standard-framework.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/puremvc/puremvc-swift-standard-framework
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at c6749cc update
Cloned https://github.com/puremvc/puremvc-swift-standard-framework.git
Revision (git rev-parse @):
c6749ccd16ca9e0ea420fa06b4dcf81389a821e7
SUCCESS checkout https://github.com/puremvc/puremvc-swift-standard-framework.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/puremvc/puremvc-swift-standard-framework.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/22] Emitting module PureMVC
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:36: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                    `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:111: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                               `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:40: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:113: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                                 `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:34: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                  `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:102: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                      `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:108: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                            `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:37: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:107: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:37: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:107: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:40: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:107: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:109: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                             `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
[4/24] Compiling PureMVC Observer.swift
[5/24] Compiling PureMVC Proxy.swift
[6/24] Compiling PureMVC Notification.swift
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:109: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                             `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
[7/24] Compiling PureMVC Notifier.swift
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:109: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                             `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
[8/24] Compiling PureMVC IMediator.swift
[9/24] Compiling PureMVC IModel.swift
[10/24] Compiling PureMVC INotification.swift
[11/24] Compiling PureMVC IView.swift
[12/24] Compiling PureMVC MacroCommand.swift
[13/24] Compiling PureMVC SimpleCommand.swift
[14/24] Compiling PureMVC Facade.swift
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:109: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                             `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:87:36: error: cannot infer contextual base in reference to member 'barrier'
 85 |     */
 86 |     open class func getInstance(_ factory: (() -> IFacade)) -> IFacade {
 87 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 88 |             if(Facade.instance == nil) {
 89 |                 Facade.instance = factory()
[15/24] Compiling PureMVC Mediator.swift
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:45:109: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.facade.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                             `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message Constant
/host/spi-builder-workspace/Sources/PureMVC/patterns/facade/Facade.swift:87:36: error: cannot infer contextual base in reference to member 'barrier'
 85 |     */
 86 |     open class func getInstance(_ factory: (() -> IFacade)) -> IFacade {
 87 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 88 |             if(Facade.instance == nil) {
 89 |                 Facade.instance = factory()
[16/24] Compiling PureMVC ICommand.swift
[17/24] Compiling PureMVC IController.swift
[18/24] Compiling PureMVC IFacade.swift
[19/24] Compiling PureMVC INotifier.swift
[20/24] Compiling PureMVC IObserver.swift
[21/24] Compiling PureMVC IProxy.swift
[22/24] Compiling PureMVC Controller.swift
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:36: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                    `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:111: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                               `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:40: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:113: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                                 `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:103:36: error: cannot infer contextual base in reference to member 'barrier'
101 |     */
102 |     open class func getInstance(_ factory: () -> IController) -> IController {
103 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
104 |             if(Controller.instance == nil) {
105 |                 Controller.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:126:38: error: cannot infer contextual base in reference to member 'barrier'
124 |     */
125 |     open func registerCommand(_ notificationName: String, factory: @escaping () -> ICommand) {
126 |         commandMapQueue.sync(flags: .barrier) {
    |                                      `- error: cannot infer contextual base in reference to member 'barrier'
127 |             if commandMap[notificationName] == nil { // weak reference to Controller (self) to avoid reference cycle with View and Observer
128 |                 view.registerObserver(notificationName, observer: Observer(notifyMethod: {[weak self] notification in self?.executeCommand(notification)}, notifyContext: self))
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:170:42: error: cannot infer contextual base in reference to member 'barrier'
168 |     open func removeCommand(_ notificationName: String) {
169 |         if hasCommand(notificationName) {
170 |             commandMapQueue.sync(flags: .barrier) {
    |                                          `- error: cannot infer contextual base in reference to member 'barrier'
171 |                 view.removeObserver(notificationName, notifyContext: self)
172 |                 commandMap.removeValue(forKey: notificationName)
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:34: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                  `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:102: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                      `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:108: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                            `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:85:36: error: cannot infer contextual base in reference to member 'barrier'
 83 |     */
 84 |     open class func getInstance(_ factory: () -> IModel) -> IModel {
 85 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 86 |             if(Model.instance == nil) {
 87 |                 Model.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:99:36: error: cannot infer contextual base in reference to member 'barrier'
 97 |     */
 98 |     open func registerProxy(_ proxy: IProxy) {
 99 |         proxyMapQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
100 |             proxyMap[proxy.name] = proxy
101 |             proxy.onRegister()
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:141:36: error: cannot infer contextual base in reference to member 'barrier'
139 |     @discardableResult open func removeProxy(_ proxyName: String) -> IProxy? {
140 |         var removed: IProxy?
141 |         proxyMapQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
142 |             if let proxy = proxyMap[proxyName] {
143 |                 proxy.onRemove()
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:37: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:107: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:37: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:107: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:40: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:107: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:90:36: error: cannot infer contextual base in reference to member 'barrier'
 88 |     */
 89 |     open class func getInstance(_ factory: () -> IView) -> IView {
 90 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 91 |             if(View.instance == nil) {
 92 |                 View.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:106:39: error: cannot infer contextual base in reference to member 'barrier'
104 |     */
105 |     open func registerObserver(_ notificationName: String, observer: IObserver) {
106 |         observerMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
107 |             if observerMap[notificationName] != nil {
108 |                 observerMap[notificationName]!.append(observer)
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:151:39: error: cannot infer contextual base in reference to member 'barrier'
149 |     */
150 |     open func removeObserver(_ notificationName: String, notifyContext: AnyObject) {
151 |         observerMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
152 |             // the observer list for the notification under inspection
153 |             if let observers = observerMap[notificationName] {
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:196:39: error: cannot infer contextual base in reference to member 'barrier'
194 |         }
195 |
196 |         mediatorMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
197 |             // Register the Mediator for retrieval by name
198 |             mediatorMap[mediator.name] = mediator
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:256:39: error: cannot infer contextual base in reference to member 'barrier'
254 |     @discardableResult open func removeMediator(_ mediatorName: String) -> IMediator? {
255 |         var removed: IMediator?
256 |         mediatorMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
257 |             if let mediator = mediatorMap[mediatorName] {
258 |                 // for every notification this mediator is interested in...
[23/24] Compiling PureMVC Model.swift
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:36: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                    `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:111: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                               `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:40: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:113: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                                 `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:103:36: error: cannot infer contextual base in reference to member 'barrier'
101 |     */
102 |     open class func getInstance(_ factory: () -> IController) -> IController {
103 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
104 |             if(Controller.instance == nil) {
105 |                 Controller.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:126:38: error: cannot infer contextual base in reference to member 'barrier'
124 |     */
125 |     open func registerCommand(_ notificationName: String, factory: @escaping () -> ICommand) {
126 |         commandMapQueue.sync(flags: .barrier) {
    |                                      `- error: cannot infer contextual base in reference to member 'barrier'
127 |             if commandMap[notificationName] == nil { // weak reference to Controller (self) to avoid reference cycle with View and Observer
128 |                 view.registerObserver(notificationName, observer: Observer(notifyMethod: {[weak self] notification in self?.executeCommand(notification)}, notifyContext: self))
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:170:42: error: cannot infer contextual base in reference to member 'barrier'
168 |     open func removeCommand(_ notificationName: String) {
169 |         if hasCommand(notificationName) {
170 |             commandMapQueue.sync(flags: .barrier) {
    |                                          `- error: cannot infer contextual base in reference to member 'barrier'
171 |                 view.removeObserver(notificationName, notifyContext: self)
172 |                 commandMap.removeValue(forKey: notificationName)
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:34: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                  `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:102: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                      `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:108: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                            `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:85:36: error: cannot infer contextual base in reference to member 'barrier'
 83 |     */
 84 |     open class func getInstance(_ factory: () -> IModel) -> IModel {
 85 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 86 |             if(Model.instance == nil) {
 87 |                 Model.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:99:36: error: cannot infer contextual base in reference to member 'barrier'
 97 |     */
 98 |     open func registerProxy(_ proxy: IProxy) {
 99 |         proxyMapQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
100 |             proxyMap[proxy.name] = proxy
101 |             proxy.onRegister()
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:141:36: error: cannot infer contextual base in reference to member 'barrier'
139 |     @discardableResult open func removeProxy(_ proxyName: String) -> IProxy? {
140 |         var removed: IProxy?
141 |         proxyMapQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
142 |             if let proxy = proxyMap[proxyName] {
143 |                 proxy.onRemove()
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:37: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:107: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:37: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:107: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:40: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:107: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:90:36: error: cannot infer contextual base in reference to member 'barrier'
 88 |     */
 89 |     open class func getInstance(_ factory: () -> IView) -> IView {
 90 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 91 |             if(View.instance == nil) {
 92 |                 View.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:106:39: error: cannot infer contextual base in reference to member 'barrier'
104 |     */
105 |     open func registerObserver(_ notificationName: String, observer: IObserver) {
106 |         observerMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
107 |             if observerMap[notificationName] != nil {
108 |                 observerMap[notificationName]!.append(observer)
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:151:39: error: cannot infer contextual base in reference to member 'barrier'
149 |     */
150 |     open func removeObserver(_ notificationName: String, notifyContext: AnyObject) {
151 |         observerMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
152 |             // the observer list for the notification under inspection
153 |             if let observers = observerMap[notificationName] {
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:196:39: error: cannot infer contextual base in reference to member 'barrier'
194 |         }
195 |
196 |         mediatorMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
197 |             // Register the Mediator for retrieval by name
198 |             mediatorMap[mediator.name] = mediator
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:256:39: error: cannot infer contextual base in reference to member 'barrier'
254 |     @discardableResult open func removeMediator(_ mediatorName: String) -> IMediator? {
255 |         var removed: IMediator?
256 |         mediatorMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
257 |             if let mediator = mediatorMap[mediatorName] {
258 |                 // for every notification this mediator is interested in...
[24/24] Compiling PureMVC View.swift
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:36: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                    `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:50:111: error: cannot find 'DispatchQueue' in scope
 48 |     // Concurrent queue for commandMap
 49 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 50 |     internal let commandMapQueue = DispatchQueue(label: "org.puremvc.controller.commandMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                               `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:40: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:56:113: error: cannot find 'DispatchQueue' in scope
 54 |
 55 |     // Concurrent queue for singleton instance
 56 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.controller.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                                 `- error: cannot find 'DispatchQueue' in scope
 57 |
 58 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:103:36: error: cannot infer contextual base in reference to member 'barrier'
101 |     */
102 |     open class func getInstance(_ factory: () -> IController) -> IController {
103 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
104 |             if(Controller.instance == nil) {
105 |                 Controller.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:126:38: error: cannot infer contextual base in reference to member 'barrier'
124 |     */
125 |     open func registerCommand(_ notificationName: String, factory: @escaping () -> ICommand) {
126 |         commandMapQueue.sync(flags: .barrier) {
    |                                      `- error: cannot infer contextual base in reference to member 'barrier'
127 |             if commandMap[notificationName] == nil { // weak reference to Controller (self) to avoid reference cycle with View and Observer
128 |                 view.registerObserver(notificationName, observer: Observer(notifyMethod: {[weak self] notification in self?.executeCommand(notification)}, notifyContext: self))
/host/spi-builder-workspace/Sources/PureMVC/core/Controller.swift:170:42: error: cannot infer contextual base in reference to member 'barrier'
168 |     open func removeCommand(_ notificationName: String) {
169 |         if hasCommand(notificationName) {
170 |             commandMapQueue.sync(flags: .barrier) {
    |                                          `- error: cannot infer contextual base in reference to member 'barrier'
171 |                 view.removeObserver(notificationName, notifyContext: self)
172 |                 commandMap.removeValue(forKey: notificationName)
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:34: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                  `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:39:102: error: cannot find 'DispatchQueue' in scope
 37 |     // Concurrent queue for proxyMap
 38 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 39 |     internal let proxyMapQueue = DispatchQueue(label: "org.puremvc.model.proxyMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                      `- error: cannot find 'DispatchQueue' in scope
 40 |
 41 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:40: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:45:108: error: cannot find 'DispatchQueue' in scope
 43 |
 44 |     // Concurrent queue for singleton instance
 45 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.model.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                            `- error: cannot find 'DispatchQueue' in scope
 46 |
 47 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:85:36: error: cannot infer contextual base in reference to member 'barrier'
 83 |     */
 84 |     open class func getInstance(_ factory: () -> IModel) -> IModel {
 85 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 86 |             if(Model.instance == nil) {
 87 |                 Model.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:99:36: error: cannot infer contextual base in reference to member 'barrier'
 97 |     */
 98 |     open func registerProxy(_ proxy: IProxy) {
 99 |         proxyMapQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
100 |             proxyMap[proxy.name] = proxy
101 |             proxy.onRegister()
/host/spi-builder-workspace/Sources/PureMVC/core/Model.swift:141:36: error: cannot infer contextual base in reference to member 'barrier'
139 |     @discardableResult open func removeProxy(_ proxyName: String) -> IProxy? {
140 |         var removed: IProxy?
141 |         proxyMapQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
142 |             if let proxy = proxyMap[proxyName] {
143 |                 proxy.onRemove()
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:37: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:37:107: error: cannot find 'DispatchQueue' in scope
 35 |     // Concurrent queue for mediatorMap
 36 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 37 |     internal let mediatorMapQueue = DispatchQueue(label: "org.puremvc.view.mediatorMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 38 |
 39 |     // Mapping of Notification names to Observer lists
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:37: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                     `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:44:107: error: cannot find 'DispatchQueue' in scope
 42 |     // Concurrent queue for observerMap
 43 |     // for speed and convenience of running concurrently while reading, and thread safety of blocking while mutating
 44 |     internal let observerMapQueue = DispatchQueue(label: "org.puremvc.view.observerMapQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 45 |
 46 |     // Singleton instance
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:40: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                        `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:50:107: error: cannot find 'DispatchQueue' in scope
 48 |
 49 |     // Concurrent queue for singleton instance
 50 |     private static let instanceQueue = DispatchQueue(label: "org.puremvc.view.instanceQueue", attributes: DispatchQueue.Attributes.concurrent)
    |                                                                                                           `- error: cannot find 'DispatchQueue' in scope
 51 |
 52 |     /// Message constant
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:90:36: error: cannot infer contextual base in reference to member 'barrier'
 88 |     */
 89 |     open class func getInstance(_ factory: () -> IView) -> IView {
 90 |         instanceQueue.sync(flags: .barrier) {
    |                                    `- error: cannot infer contextual base in reference to member 'barrier'
 91 |             if(View.instance == nil) {
 92 |                 View.instance = factory()
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:106:39: error: cannot infer contextual base in reference to member 'barrier'
104 |     */
105 |     open func registerObserver(_ notificationName: String, observer: IObserver) {
106 |         observerMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
107 |             if observerMap[notificationName] != nil {
108 |                 observerMap[notificationName]!.append(observer)
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:151:39: error: cannot infer contextual base in reference to member 'barrier'
149 |     */
150 |     open func removeObserver(_ notificationName: String, notifyContext: AnyObject) {
151 |         observerMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
152 |             // the observer list for the notification under inspection
153 |             if let observers = observerMap[notificationName] {
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:196:39: error: cannot infer contextual base in reference to member 'barrier'
194 |         }
195 |
196 |         mediatorMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
197 |             // Register the Mediator for retrieval by name
198 |             mediatorMap[mediator.name] = mediator
/host/spi-builder-workspace/Sources/PureMVC/core/View.swift:256:39: error: cannot infer contextual base in reference to member 'barrier'
254 |     @discardableResult open func removeMediator(_ mediatorName: String) -> IMediator? {
255 |         var removed: IMediator?
256 |         mediatorMapQueue.sync(flags: .barrier) {
    |                                       `- error: cannot infer contextual base in reference to member 'barrier'
257 |             if let mediator = mediatorMap[mediatorName] {
258 |                 // for every notification this mediator is interested in...
BUILD FAILURE 6.3 wasm