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3ed4059a60
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
81 lines
2.6 KiB
Swift
81 lines
2.6 KiB
Swift
// RUN: %target-typecheck-verify-swift -swift-version 6
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class NonSendable {} // expected-note 3{{class 'NonSendable' does not conform to the 'Sendable' protocol}}
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func callee(_: @Sendable () -> NonSendable) {}
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var testLocalCaptures: Int {
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let ns = NonSendable()
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@Sendable func localFunc() -> NonSendable {
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return ns // expected-error {{capture of 'ns' with non-Sendable type 'NonSendable' in a '@Sendable' local function}}
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}
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callee { return ns } // expected-error {{capture of 'ns' with non-Sendable type 'NonSendable' in a '@Sendable' closure}}
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return 3
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}
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struct Bad {
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var c: Int = {
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let ns = NonSendable()
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callee { return ns } // expected-error {{capture of 'ns' with non-Sendable type 'NonSendable' in a '@Sendable' closure}}
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return 3
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}()
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}
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do {
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class Test { // expected-note 2 {{class 'Test' does not conform to the 'Sendable' protocol}}
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func update() {}
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}
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func sendable(_: @Sendable () -> Void) {}
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@preconcurrency
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func sendable_preconcurrency(_: @Sendable () -> Void) {}
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func withMutable(_: (inout Test) -> Void) {}
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withMutable { test in
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sendable {
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test.update()
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// expected-error@-1 {{capture of 'test' with non-Sendable type 'Test' in a '@Sendable' closure}}
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// expected-error@-2 {{mutable capture of 'inout' parameter 'test' is not allowed in concurrently-executing code}}
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}
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sendable_preconcurrency {
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test.update()
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// expected-warning@-1 {{capture of 'test' with non-Sendable type 'Test' in a '@Sendable' closure}}
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// expected-warning@-2 {{mutable capture of 'inout' parameter 'test' is not allowed in concurrently-executing code}}
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}
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}
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}
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func use(_ closure: @autoclosure () -> Any) {
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}
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do {
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class C {
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@preconcurrency static func f(_: @escaping @Sendable () -> Void) {}
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}
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class SelfCapture { // expected-note 5 {{class 'SelfCapture' does not conform to the 'Sendable' protocol}}
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func fooDirect() {
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C.f {
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use(self)
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// expected-warning@-1 {{capture of 'self' with non-Sendable type 'SelfCapture' in a '@Sendable' closure}}
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// expected-warning@-2 {{implicit capture of 'self' requires that 'SelfCapture' conforms to 'Sendable'}}
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}
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}
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func fooThroughClosure() {
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C.f {
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{ use(self) }()
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// expected-warning@-1 {{capture of 'self' with non-Sendable type 'SelfCapture' in a '@Sendable' closure}}
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// expected-warning@-2 {{capture of 'self' with non-Sendable type 'SelfCapture' in an isolated closure}}
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// expected-warning@-3 {{implicit capture of 'self' requires that 'SelfCapture' conforms to 'Sendable'}}
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}
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}
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}
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}
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