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31aa2f77e3
- replaces "move-only" terminology with "noncopyable" - replaces compiler jargon like "guaranteed parameters" and "lvalue" with corresponding language-level notions - simplifies diagnostics about closures. and probably more. rdar://109281444
15 lines
577 B
Swift
15 lines
577 B
Swift
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// >> First verify that when building the stdlib, we do have the copyable constraint. Note the module-name!!
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// RUN: %target-swift-frontend -typecheck -verify -parse-stdlib -module-name Swift %s
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// FIXME: Now demonstrate that plain -parse-stdlib, such as in some arbitrary test, doesn't get the Copyable constraint :(
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// RUN: not %target-swift-frontend -typecheck -verify -parse-stdlib %s
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@_marker public protocol _Copyable {}
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func nextTime<T>(_ t: T) {}
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@_moveOnly struct MO {}
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nextTime(MO()) // expected-error {{noncopyable type 'MO' cannot be used with generics yet}}
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