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35 lines
1.3 KiB
Swift
35 lines
1.3 KiB
Swift
// RUN: %target-swift-frontend %s -emit-silgen | %target-sil-opt | %FileCheck %s
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protocol mmGeneratorType {
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associatedtype Element
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}
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protocol mmSequenceType {
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associatedtype Generator : mmGeneratorType
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}
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protocol mmCollectionType : mmSequenceType {
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}
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protocol mmExt : mmCollectionType {
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mutating func extend<
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S : mmSequenceType
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where S.Generator.Element == Self.Generator.Element
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> (_ seq: S)
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}
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// CHECK-LABEL: @_T028generic_signature_with_depth4testxx_q_tAA5mmExtRzAaCR_9Generator_7ElementQY_AD_AERTzr0_lF : $@convention(thin) <EC1, EC2 where EC1 : mmExt, EC2 : mmExt, EC1.Generator.Element == EC2.Generator.Element> (@in EC1, @in EC2) -> @out EC1 {
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// CHECK: witness_method $EC1, #mmExt.extend!1 : {{.*}} : $@convention(witness_method) <τ_0_0 where τ_0_0 : mmExt><τ_1_0 where τ_1_0 : mmSequenceType, τ_0_0.Generator.Element == τ_1_0.Generator.Element> (@in τ_1_0, @inout τ_0_0) -> ()
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// CHECK: apply {{%[0-9]+}}<EC1, EC2>({{%[0-9]+}}, {{%[0-9]+}}) : $@convention(witness_method) <τ_0_0 where τ_0_0 : mmExt><τ_1_0 where τ_1_0 : mmSequenceType, τ_0_0.Generator.Element == τ_1_0.Generator.Element> (@in τ_1_0, @inout τ_0_0) -> ()
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func test<
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EC1 : mmExt,
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EC2 : mmExt
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where EC1.Generator.Element == EC2.Generator.Element
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>
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(_ lhs: EC1, _ rhs: EC2) -> EC1 {
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var lhs = lhs
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lhs.extend(rhs)
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return lhs
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}
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