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46be608d7b
We are leaving this as an open part of the design space. In the mean time if people need a +0 parameter, they can use __shared with sending. rdar://129116182
34 lines
1.4 KiB
Swift
34 lines
1.4 KiB
Swift
// RUN: %target-typecheck-verify-swift -disable-availability-checking -enable-experimental-feature SendingArgsAndResults -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation
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// REQUIRES: asserts
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func testArg(_ x: sending String) {
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}
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func testResult() -> sending String {
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""
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}
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func testArgResult(_ x: sending String) -> sending String {
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}
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func testVarDeclDoesntWork() {
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var x: sending String // expected-error {{'sending' may only be used on parameter}}
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}
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func testVarDeclTupleElt() -> (sending String, String) {} // expected-error {{'sending' cannot be applied to tuple elements}}
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func testVarDeclTuple2(_ x: (sending String)) {}
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func testVarDeclTuple2(_ x: (sending String, String)) {} // expected-error {{'sending' cannot be applied to tuple elements}}
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func testArgWithConsumingWrongOrder(_ x: sending consuming String, _ y: sending inout String) {}
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// expected-error @-1 {{'sending' must be placed after specifier 'consuming'}}
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// expected-error @-2 {{'sending' must be placed after specifier 'inout'}}
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func testArgWithConsumingWrongOrderType(_ x: (sending consuming String, sending inout String) -> ()) {}
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// expected-error @-1 {{'sending' must be placed after specifier 'consuming'}}
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// expected-error @-2 {{'sending' must be placed after specifier 'inout'}}
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func testBorrowSending(_ x: borrowing sending String) {}
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// expected-error @-1 {{'sending' cannot be used together with 'borrowing'}}
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