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33 lines
1.5 KiB
Swift
33 lines
1.5 KiB
Swift
// RUN: %target-typecheck-verify-swift
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// RUN: %target-swift-frontend -typecheck -debug-generic-signatures %s 2>&1 | %FileCheck %s
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// https://github.com/apple/swift/issues/56932
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public protocol ScalarProtocol: ScalarMultiplicative where Self == Scalar {
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}
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public protocol ScalarMultiplicative {
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associatedtype Scalar: ScalarProtocol
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}
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public protocol MapReduceArithmetic: ScalarMultiplicative, Collection where Element: ScalarMultiplicative {}
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public protocol Tensor: MapReduceArithmetic where Element == Scalar {
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}
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// CHECK-LABEL: .ColorModel@
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// CHECK-LABEL: Requirement signature: <Self where Self : Tensor, Self == Self.[ColorModel]Float16Components.[ColorComponents]Model, Self.[Sequence]Element == Double, Self.[ColorModel]Float16Components : ColorComponents, Self.[ColorModel]Float32Components : ColorComponents, Self.[ColorModel]Float16Components.[Sequence]Element == Double, Self.[ColorModel]Float16Components.[ColorComponents]Model == Self.[ColorModel]Float32Components.[ColorComponents]Model, Self.[ColorModel]Float32Components.[Sequence]Element == Double>
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public protocol ColorModel: Tensor where Scalar == Double {
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associatedtype Float16Components: ColorComponents where Float16Components.Model == Self, Float16Components.Scalar == Double
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associatedtype Float32Components: ColorComponents where Float32Components.Model == Self, Float32Components.Scalar == Double
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}
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public protocol ColorComponents: Tensor {
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associatedtype Model: ColorModel
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}
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extension Double : ScalarMultiplicative {}
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extension Double : ScalarProtocol {
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public typealias Scalar = Self
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}
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