This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.

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 BetterCodable with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 2

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/marksands/BetterCodable.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/marksands/BetterCodable
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2b4a27f Adds nested property wrapper example test
Cloned https://github.com/marksands/BetterCodable.git
Revision (git rev-parse @):
2b4a27f03c8fe80f195ac2b6ac1764213406ee89
SUCCESS checkout https://github.com/marksands/BetterCodable.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/marksands/BetterCodable.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a 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-6F35C1178C84523A.txt
[3/21] Emitting module BetterCodable
/Users/admin/builder/spi-builder-workspace/Sources/BetterCodable/ISO8601WithFractionalSecondsStrategy.swift:13:24: warning: static property 'formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
11 | @available(iOS 11.0, tvOS 11.0, watchOS 4.0, macOS 10.13, *)
12 | public struct ISO8601WithFractionalSecondsStrategy: DateValueCodableStrategy {
13 |     private static let formatter: ISO8601DateFormatter = {
   |                        |- warning: static property 'formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'formatter' 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
14 |         let formatter = ISO8601DateFormatter()
15 |         formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
Foundation.ISO8601DateFormatter:2:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.12, *)
 2 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 3 |     open var timeZone: TimeZone! { get set }
 4 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
/Users/admin/builder/spi-builder-workspace/Sources/BetterCodable/LossyDictionary.swift:32:40: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
  5 | /// This is useful if the Dictionary is intended to contain non-optional values.
  6 | @propertyWrapper
  7 | public struct LossyDictionary<Key: Hashable, Value> {
    |                                              `- note: 'Value' previously declared here
  8 |     public var wrappedValue: [Key: Value]
  9 |
    :
 30 |
 31 |     private struct AnyDecodableValue: Decodable {}
 32 |     private struct LossyDecodableValue<Value: Decodable>: Decodable {
    |                                        `- warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 |         let value: Value
 34 |
[4/22] Compiling BetterCodable LossyArray.swift
/Users/admin/builder/spi-builder-workspace/Sources/BetterCodable/LossyDictionary.swift:32:40: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
  5 | /// This is useful if the Dictionary is intended to contain non-optional values.
  6 | @propertyWrapper
  7 | public struct LossyDictionary<Key: Hashable, Value> {
    |                                              `- note: 'Value' previously declared here
  8 |     public var wrappedValue: [Key: Value]
  9 |
    :
 30 |
 31 |     private struct AnyDecodableValue: Decodable {}
 32 |     private struct LossyDecodableValue<Value: Decodable>: Decodable {
    |                                        `- warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 |         let value: Value
 34 |
[5/22] Compiling BetterCodable LossyDictionary.swift
/Users/admin/builder/spi-builder-workspace/Sources/BetterCodable/LossyDictionary.swift:32:40: warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
  5 | /// This is useful if the Dictionary is intended to contain non-optional values.
  6 | @propertyWrapper
  7 | public struct LossyDictionary<Key: Hashable, Value> {
    |                                              `- note: 'Value' previously declared here
  8 |     public var wrappedValue: [Key: Value]
  9 |
    :
 30 |
 31 |     private struct AnyDecodableValue: Decodable {}
 32 |     private struct LossyDecodableValue<Value: Decodable>: Decodable {
    |                                        `- warning: generic parameter 'Value' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode
 33 |         let value: Value
 34 |
[6/22] Compiling BetterCodable LossyOptional.swift
[7/22] Compiling BetterCodable RFC2822Strategy.swift
[8/22] Compiling BetterCodable ISO8601Strategy.swift
/Users/admin/builder/spi-builder-workspace/Sources/BetterCodable/ISO8601WithFractionalSecondsStrategy.swift:13:24: warning: static property 'formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
11 | @available(iOS 11.0, tvOS 11.0, watchOS 4.0, macOS 10.13, *)
12 | public struct ISO8601WithFractionalSecondsStrategy: DateValueCodableStrategy {
13 |     private static let formatter: ISO8601DateFormatter = {
   |                        |- warning: static property 'formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'formatter' 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
14 |         let formatter = ISO8601DateFormatter()
15 |         formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
Foundation.ISO8601DateFormatter:2:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.12, *)
 2 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 3 |     open var timeZone: TimeZone! { get set }
 4 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
[9/22] Compiling BetterCodable ISO8601WithFractionalSecondsStrategy.swift
/Users/admin/builder/spi-builder-workspace/Sources/BetterCodable/ISO8601WithFractionalSecondsStrategy.swift:13:24: warning: static property 'formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
11 | @available(iOS 11.0, tvOS 11.0, watchOS 4.0, macOS 10.13, *)
12 | public struct ISO8601WithFractionalSecondsStrategy: DateValueCodableStrategy {
13 |     private static let formatter: ISO8601DateFormatter = {
   |                        |- warning: static property 'formatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: annotate 'formatter' 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
14 |         let formatter = ISO8601DateFormatter()
15 |         formatter.formatOptions = [.withInternetDateTime, .withFractionalSeconds]
Foundation.ISO8601DateFormatter:2:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | @available(macOS 10.12, *)
 2 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 3 |     open var timeZone: TimeZone! { get set }
 4 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
[10/22] Compiling BetterCodable DefaultFalse.swift
[11/22] Compiling BetterCodable DefaultTrue.swift
[12/22] Compiling BetterCodable DateValue.swift
[13/22] Compiling BetterCodable DefaultCodable.swift
[14/22] Compiling BetterCodable LosslessArray.swift
[15/22] Compiling BetterCodable LosslessValue.swift
[16/22] Compiling BetterCodable DefaultEmptyArray.swift
[17/22] Compiling BetterCodable DefaultEmptyDictionary.swift
[18/22] Compiling BetterCodable Base64Strategy.swift
[19/22] Compiling BetterCodable DataValue.swift
[20/22] Compiling BetterCodable RFC3339Strategy.swift
[21/22] Compiling BetterCodable TimestampStrategy.swift
[22/22] Compiling BetterCodable YearMonthDayStrategy.swift
Build complete! (20.71s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "BetterCodable",
  "name" : "BetterCodable",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "BetterCodable",
      "targets" : [
        "BetterCodable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "BetterCodableTests",
      "module_type" : "SwiftTarget",
      "name" : "BetterCodableTests",
      "path" : "Tests/BetterCodableTests",
      "sources" : [
        "DataValueTests.swift",
        "DateValueTests.swift",
        "DefaulEmptyDictionaryTests.swift",
        "DefaultCodableTests.swift",
        "DefaultEmptyArrayTests.swift",
        "DefaultFalseTests.swift",
        "DefaultTrueTests.swift",
        "LosslessArrayTests.swift",
        "LosslessCustomValueTests.swift",
        "LosslessValueTests.swift",
        "LossyArrayTests.swift",
        "LossyDictionaryTests.swift",
        "LossyOptionalTests.swift",
        "RawRepresentableTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "BetterCodable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BetterCodable",
      "module_type" : "SwiftTarget",
      "name" : "BetterCodable",
      "path" : "Sources/BetterCodable",
      "product_memberships" : [
        "BetterCodable"
      ],
      "sources" : [
        "Base64Strategy.swift",
        "DataValue.swift",
        "DateValue.swift",
        "DefaultCodable.swift",
        "DefaultEmptyArray.swift",
        "DefaultEmptyDictionary.swift",
        "DefaultFalse.swift",
        "DefaultTrue.swift",
        "ISO8601Strategy.swift",
        "ISO8601WithFractionalSecondsStrategy.swift",
        "LosslessArray.swift",
        "LosslessValue.swift",
        "LossyArray.swift",
        "LossyDictionary.swift",
        "LossyOptional.swift",
        "RFC2822Strategy.swift",
        "RFC3339Strategy.swift",
        "TimestampStrategy.swift",
        "YearMonthDayStrategy.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.2"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.