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33 lines
973 B
Swift
33 lines
973 B
Swift
// RUN: %target-typecheck-verify-swift -debug-generic-signatures 2>&1 | %FileCheck %s
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// https://github.com/apple/swift/issues/54431
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// CHECK-LABEL: .A@
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// CHECK-NEXT: Requirement signature: <Self where Self == Self.[A]X.[B]Y, Self.[A]X : B>
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protocol A {
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associatedtype X: B where X.Y == Self
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}
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// CHECK-LABEL: .B@
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// CHECK-NEXT: Requirement signature: <Self where Self == Self.[B]Y.[A]X, Self.[B]Y : A>
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protocol B {
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associatedtype Y: A where Y.X == Self
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}
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// CHECK-LABEL: .AA@
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// CHECK-NEXT: Requirement signature: <Self where Self : A, Self.[A]X : BB>
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protocol AA: A where X: BB { }
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// CHECK-LABEL: .BB@
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// CHECK-NEXT: Requirement signature: <Self where Self : B, Self == Self.[BB]Z.[C]T, Self.[B]Y : AA, Self.[BB]Z : C>
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protocol BB: B where Y: AA {
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associatedtype Z: C where Z.T == Self
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}
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// CHECK-LABEL: .C@
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// CHECK-NEXT: Requirement signature: <Self where Self == Self.[C]T.[BB]Z, Self.[C]T : BB>
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protocol C {
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associatedtype T: BB where T.Z == Self
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}
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