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8117052a1e
We talk about 'protocol refinement' rather than 'protocol inheritance'; but in this case, a more specific phrase makes even more sense, I think.
11 lines
683 B
Swift
11 lines
683 B
Swift
// RUN: %target-typecheck-verify-swift -swift-version 5
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protocol P: class {}
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// expected-warning@-1 {{using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead}} {{13-18=AnyObject}}
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protocol P1: AnyObject {}
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protocol P2 {}
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protocol P3: class, P2 {}
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// expected-warning@-1 {{using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead}} {{14-19=AnyObject}}
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protocol P4: P2, class {} // expected-error {{'class' must come first in the requirement list}}
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// expected-warning@-1 {{using 'class' keyword to define a class-constrained protocol is deprecated; use 'AnyObject' instead}} {{18-23=AnyObject}}
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