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17 lines
590 B
Swift
17 lines
590 B
Swift
// RUN: %target-typecheck-verify-swift -enable-objc-interop
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class Base {}
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@objc protocol Protocol1 : Base {}
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// expected-error@-1 {{inheritance from non-protocol type 'Base'}}
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@objc protocol OtherProtocol {}
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typealias Composition = OtherProtocol & Base
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@objc protocol Protocol2 : Composition {}
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// expected-error@-1 {{inheritance from class-constrained protocol composition type 'Composition' (aka 'Base & OtherProtocol')}}
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@objc protocol Protocol3 : OtherProtocol & Base {}
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// expected-error@-1 {{inheritance from class-constrained protocol composition type 'Base & OtherProtocol'}}
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