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swiftlang / swift-corelibs-xctest

The XCTest Project, A Swift core library for providing unit test support
swift.org
Apache License 2.0
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Expectation handlers need to be `@Sendable`. #454

Closed grynspan closed 1 year ago

grynspan commented 1 year ago

See for example https://developer.apple.com/documentation/xctest/xctnsnotificationexpectation/handler

The handlers for XCTestExpectation subclasses need to be @Sendable because they can be invoked asynchronously or concurrently.