Add Swift 6 support with Sendable conformance #1190
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- Update Package.swift to swift-tools-version:6.0 - Remove swiftLanguageVersions lock - Add @unchecked Sendable to JSON struct - Add Sendable to Type, SwiftyJSONError, JSONKey enums - Add comprehensive concurrency tests (18 tests) - Update README requirements and CHANGELOG The JSON type can now safely cross actor boundaries in Swift 6 concurrency. Closes SwiftyJSON#1163
Each test now directly corresponds to a type made Sendable: - testJSONSendable: JSON crosses actor boundary - testTypeSendable: Type enum crosses actor boundary - testSwiftyJSONErrorSendable: SwiftyJSONError crosses actor boundary Removed redundant tests that proved the same thing in different ways (TaskGroup, Task.detached, MainActor variations). Added missing coverage for Type enum Sendable conformance.
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Summary
Add Swift 6 support with full
Sendableconformance for theJSONtype, addressing #1163.Changes
@unchecked SendableconformanceSendableconformanceSendableconformanceSendableconformanceWhy
@unchecked Sendable?The
JSONstruct stores values in[Any]and[String: Any]properties, which the compiler cannot verify as Sendable. However,@unchecked Sendableis safe because:JSONis a value type with value semanticsTesting
testJSONSendable: JSON crosses actor boundarytestTypeSendable: Type enum crosses actor boundarytestSwiftyJSONErrorSendable: SwiftyJSONError crosses actor boundaryTotal: 149 tests passing with zero warnings.
Checklist
Closes #1163