The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of CustomTabView, reference main (6ef196), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 22:19:38 UTC.

Swift 6 data race errors: 2

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/NicFontana/SwiftUI-CustomTabView.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/NicFontana/SwiftUI-CustomTabView
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6ef1961 chore: update README.md
Cloned https://github.com/NicFontana/SwiftUI-CustomTabView.git
Revision (git rev-parse @):
6ef1961612710f594eeaf669bf09484ccfebecce
SUCCESS checkout https://github.com/NicFontana/SwiftUI-CustomTabView.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swiftui-customtabview",
      "name": "CustomTabView",
      "url": "https://github.com/NicFontana/SwiftUI-CustomTabView.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftUI-CustomTabView",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/NicFontana/SwiftUI-CustomTabView.git
[1/106] Fetching swiftui-customtabview
Fetched https://github.com/NicFontana/SwiftUI-CustomTabView.git from cache (1.12s)
Creating working copy for https://github.com/NicFontana/SwiftUI-CustomTabView.git
Working copy of https://github.com/NicFontana/SwiftUI-CustomTabView.git resolved at main (6ef1961)
warning: '.resolve-product-dependencies': dependency 'swiftui-customtabview' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/NicFontana/SwiftUI-CustomTabView.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/12] Compiling CustomTabView KeyboardReadable.swift
[4/12] Compiling CustomTabView UITabBarControllerRepresentable.swift
[5/12] Compiling CustomTabView TopIndicatorTabBarView.swift
/Users/admin/builder/spi-builder-workspace/Sources/CustomTabView/Example/TopIndicatorTabBarView.swift:83:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 81 |
 82 | struct SizePreferenceKey: PreferenceKey {
 83 |     static var defaultValue: CGSize = .zero
    |                |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     static func reduce(value: inout CGSize, nextValue: () -> CGSize) {}
 85 | }
[6/12] Compiling CustomTabView NSTabBarControllerRepresentable.swift
[7/12] Compiling CustomTabView CustomTabView.swift
[8/12] Compiling CustomTabView Tab.swift
[9/12] Compiling CustomTabView BottomFloatingTabBarView.swift
[10/12] Emitting module CustomTabView
/Users/admin/builder/spi-builder-workspace/Sources/CustomTabView/EnvironmentValues+TabBarPosition.swift:24:16: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'TabBarPosition' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | /// An enumaration that is used to set the tab bar view position.
11 | public enum TabBarPosition {
   |             `- note: consider making enum 'TabBarPosition' conform to the 'Sendable' protocol
12 |     /// Puts the tab bar next to the content, at one edge of the scene.
13 |     ///
   :
22 |
23 | private struct TabBarPositionEnvironmentKey: EnvironmentKey {
24 |     static let defaultValue: TabBarPosition = .edge(.bottom)
   |                |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'TabBarPosition' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 | }
26 |
/Users/admin/builder/spi-builder-workspace/Sources/CustomTabView/Example/TopIndicatorTabBarView.swift:83:16: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 81 |
 82 | struct SizePreferenceKey: PreferenceKey {
 83 |     static var defaultValue: CGSize = .zero
    |                |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 84 |     static func reduce(value: inout CGSize, nextValue: () -> CGSize) {}
 85 | }
[11/12] Compiling CustomTabView ExampleView.swift
[12/12] Compiling CustomTabView EnvironmentValues+TabBarPosition.swift
/Users/admin/builder/spi-builder-workspace/Sources/CustomTabView/EnvironmentValues+TabBarPosition.swift:24:16: warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'TabBarPosition' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | /// An enumaration that is used to set the tab bar view position.
11 | public enum TabBarPosition {
   |             `- note: consider making enum 'TabBarPosition' conform to the 'Sendable' protocol
12 |     /// Puts the tab bar next to the content, at one edge of the scene.
13 |     ///
   :
22 |
23 | private struct TabBarPositionEnvironmentKey: EnvironmentKey {
24 |     static let defaultValue: TabBarPosition = .edge(.bottom)
   |                |- warning: static property 'defaultValue' is not concurrency-safe because non-'Sendable' type 'TabBarPosition' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: annotate 'defaultValue' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
25 | }
26 |
Build complete! (21.34s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CustomTabView",
  "name" : "CustomTabView",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "CustomTabView",
      "targets" : [
        "CustomTabView"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CustomTabViewTests",
      "module_type" : "SwiftTarget",
      "name" : "CustomTabViewTests",
      "path" : "Tests/CustomTabViewTests",
      "sources" : [
        "CustomTabViewTests.swift"
      ],
      "target_dependencies" : [
        "CustomTabView"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CustomTabView",
      "module_type" : "SwiftTarget",
      "name" : "CustomTabView",
      "path" : "Sources/CustomTabView",
      "product_memberships" : [
        "CustomTabView"
      ],
      "sources" : [
        "CustomTabView.swift",
        "EnvironmentValues+TabBarPosition.swift",
        "Example/BottomFloatingTabBarView.swift",
        "Example/ExampleView.swift",
        "Example/Tab.swift",
        "Example/TopIndicatorTabBarView.swift",
        "iOS/KeyboardReadable.swift",
        "iOS/UITabBarControllerRepresentable.swift",
        "macOS/NSTabBarControllerRepresentable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Done.