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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
25 lines
1.3 KiB
Swift
25 lines
1.3 KiB
Swift
// RUN: %target-typecheck-verify-swift -strict-concurrency=complete -enable-upcoming-feature RegionBasedIsolation -enable-experimental-feature SendingArgsAndResults
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// REQUIRES: asserts
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// REQUIRES: concurrency
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// README: This test makes sure that we error when sending is placed in the
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// wrong place with respect to ownership modifiers.
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func test_good(_ x: sending Int) {}
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func test_consuming_after_sending(_ x: sending consuming Int) {} // expected-error {{'sending' must be placed after specifier 'consuming'}}
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func test_inout_after_sending(_ x: sending inout Int) {} // expected-error {{'sending' must be placed after specifier 'inout'}}
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func test_repeated_sending(_ x: sending sending Int) {} // expected-error {{parameter may have at most one 'sending' specifier}}
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func test_repeated_sending_mixed(_ x: sending consuming sending inout Int) {}
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// expected-error @-1 {{'sending' must be placed after specifier 'consuming'}}
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// expected-error @-2 {{parameter may have at most one 'sending' specifier}}
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// expected-error @-3 {{parameter may have at most one of the 'inout', 'borrowing', or 'consuming' specifiers}}
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// Just until we get the results setup.
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func test_sending_result_in_tuple() -> (sending Int, Int) {}
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// expected-error @-1 {{'sending' cannot be applied to tuple elements}}
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