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87 lines
3.5 KiB
Swift
87 lines
3.5 KiB
Swift
// RUN: %target-typecheck-verify-swift -disable-availability-checking
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// REQUIRES: concurrency
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typealias F = @concurrent () async -> Void
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typealias E = @concurrent () -> Void
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// expected-error@-1 {{cannot use '@concurrent' on non-async function type}}
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func test1(_: nonisolated(nonsending) (Int...) async -> Void) {}
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func test2(_: @concurrent (Int...) async -> Void) {}
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func test_err1_concurrent(_: @concurrent @MainActor () async -> Void) {}
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// expected-error@-1 {{cannot use '@concurrent' because function type is isolated to a global actor 'MainActor'}}
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func test_err1_caller(_: nonisolated(nonsending) @MainActor () async -> Void) {}
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// expected-error@-1 {{cannot use 'nonisolated(nonsending)' because function type is isolated to a global actor 'MainActor'}}
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func test_err2_concurrent(_: @concurrent @isolated(any) () async -> Void) {}
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// expected-error@-1 {{cannot use '@concurrent' together with '@isolated(any)'}}
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func test_err2_caller(_: nonisolated(nonsending) @isolated(any) () async -> Void) {}
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// expected-error@-1 {{cannot use 'nonisolated(nonsending)' together with '@isolated(any)'}}
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func test_err3_concurrent(_: @concurrent (isolated (any Actor)?) async -> Void) {}
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// expected-error@-1 {{cannot use '@concurrent' together with an isolated parameter}}
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func test_err3_caller(_: nonisolated(nonsending) (isolated (any Actor)?) async -> Void) {}
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// expected-error@-1 {{cannot use 'nonisolated(nonsending)' together with an isolated parameter}}
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func test_err4(_: nonisolated (Int) -> Void) {}
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// expected-error@-1 {{expected 'nonsending' in modifier}}
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// expected-error@-2 {{expected '{' in body of function declaration}}
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// expected-warning@-3 {{extraneous whitespace between attribute name and '('; this is an error in the Swift 6 language mode}}
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// expected-error@-4 {{consecutive statements on a line must be separated by ';'}}
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// expected-error@-5 {{expected expression}}
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func test_err5(_: nonisolated( () async -> Void) {}
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// expected-error@-1 {{expected 'nonsending' in modifier}}
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func test_err6(_: nonisolated(hello) () async -> Void) {}
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// expected-error@-1 {{expected 'nonsending' in modifier}}
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// expected-error@-2 {{cannot have more than one parameter list}}
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// expected-error@-3 {{cannot find type 'hello' in scope}}
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// expected-error@-4 {{onsecutive statements on a line must be separated by ';'}}
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// expected-error@-5 {{expected expression}}
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func test_err7(_: nonisolated(hello () async -> Void) {}
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// expected-error@-1 {{expected 'nonsending' in modifier}}
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// expected-error@-2 {{cannot find type 'hello' in scope}}
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func test_err8(_: @concurrent Int) {} // expected-error {{attribute does not apply to type}}
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do {
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let _ = [nonisolated(nonsending) () async -> Void]()
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let _ = [nonisolated(nonsending) () -> Void]()
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// expected-error@-1 {{cannot use 'nonisolated(nonsending)' on non-async function type}}
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}
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protocol P {}
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struct S : nonisolated
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P { // Ok
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}
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do {
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func nonisolated() {}
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// `nonisolated` is parsed as a function call
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nonisolated // expected-error {{function is unused}}
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(42) // expected-warning {{integer literal is unused}}
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let _: nonisolated // expected-error {{cannot find type 'nonisolated' in scope}}
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(Int) async -> Void // expected-error {{expected member name or initializer call after type name}}
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// expected-note@-1 {{use '.self' to reference the type object}}
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// expected-warning@-2 {{expression of type '((Int) async -> Void).Type' is unused}}
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_ = [nonisolated()]
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}
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do {
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func nonisolated(_: Int) -> Int { 42 }
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nonisolated(0) // expected-warning {{result of call to 'nonisolated' is unused}}
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print("hello")
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}
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