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25 lines
1.0 KiB
Swift
25 lines
1.0 KiB
Swift
// RUN: %target-swift-frontend -typecheck -debug-generic-signatures %s 2>&1 | %FileCheck %s
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// RUN: %target-swift-frontend -emit-ir %s
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// https://github.com/apple/swift/issues/53550
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// CHECK: Requirement signature: <Self where Self.[VectorSpace]Field : FieldAlgebra>
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public protocol VectorSpace {
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associatedtype Field: FieldAlgebra
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}
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// CHECK: Requirement signature: <Self where Self : VectorSpace, Self == Self.[VectorSpace]Field, Self.[FieldAlgebra]ComparableSubalgebra : ComparableFieldAlgebra>
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public protocol FieldAlgebra: VectorSpace where Self.Field == Self {
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associatedtype ComparableSubalgebra: ComparableFieldAlgebra
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static var zero: Self { get }
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}
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// CHECK: Requirement signature: <Self where Self : FieldAlgebra, Self == Self.[FieldAlgebra]ComparableSubalgebra>
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public protocol ComparableFieldAlgebra: FieldAlgebra where Self.ComparableSubalgebra == Self {
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}
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// CHECK: Generic signature: <F where F : FieldAlgebra>
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public func test<F: FieldAlgebra>(_ f: F) {
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_ = F.ComparableSubalgebra.zero
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}
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