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0d519a1acb
This matches send non sendable but importantly also makes it clear that we are
talking about something that doesn't conform to the Sendable protocol which is
capitalized.
rdar://151802975
(cherry picked from commit 3ed4059a60)
39 lines
1.8 KiB
Swift
39 lines
1.8 KiB
Swift
// RUN: %target-swift-frontend -emit-sil -o /dev/null -verify %s
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// RUN: %target-swift-frontend -emit-sil -o /dev/null -verify %s -strict-concurrency=targeted
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// RUN: %target-swift-frontend -emit-sil -o /dev/null -verify %s -verify-additional-prefix complete-and-tns- -strict-concurrency=complete
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// RUN: %target-swift-frontend -emit-sil -o /dev/null -verify %s -verify-additional-prefix complete-and-tns- -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation
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// REQUIRES: concurrency
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// REQUIRES: swift_feature_RegionBasedIsolation
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// https://github.com/apple/swift/issues/59909
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struct Future<T> { }
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extension Future {
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@preconcurrency
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func flatMap<NewValue>(_ callback: @escaping @Sendable (T) -> Future<NewValue>) -> Future<NewValue> { // #1
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fatalError()
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}
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@preconcurrency
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public func flatMapErrorThrowing(_ callback: @escaping @Sendable (Error) throws -> T) -> Future<T> {
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fatalError("")
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}
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}
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extension Future {
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@available(*, deprecated, message: "")
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func flatMap<NewValue>(file: StaticString = #file, line: UInt = #line, _ callback: @escaping (T) -> Future<NewValue>) -> Future<NewValue> { // #2
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// expected-complete-and-tns-note @-1 {{parameter 'callback' is implicitly non-Sendable}}
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return self.flatMap(callback)
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// expected-complete-and-tns-warning @-1 {{passing non-Sendable parameter 'callback' to function expecting a '@Sendable' closure}}
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}
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@inlinable
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@available(*, deprecated, message: "Please don't pass file:line:, there's no point.")
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public func flatMapErrorThrowing(file: StaticString = #file, line: UInt = #line, _ callback: @escaping (Error) throws -> T) -> Future<T> {
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return self.flatMapErrorThrowing(callback)
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// expected-complete-and-tns-warning @-1 {{function call causes an infinite recursion}}
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}
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}
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