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26 lines
915 B
Swift
26 lines
915 B
Swift
// RUN: %target-swift-frontend -emit-silgen %s | FileCheck %s
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infix operator ~> { precedence 255 associativity left }
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protocol P { }
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func bar<T:P>(inout _: T)() {}
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func baz<T:P>(inout _: T)(_:Int) {}
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func ~> <T: P, Args, Result>(
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inout x: T,
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m: (inout x: T)->((Args)->Result)
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) -> (Args->Result) {
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return m(x: &x)
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}
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struct X : P {}
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var a = X()
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(a~>bar)()
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// CHECK: [[CHAINED_FUNC:%.*]] = apply {{%.*}}<X, (), ()>({{%.*}}, {{%.*}}) : $@convention(thin) <τ_0_0, τ_0_1, τ_0_2 where τ_0_0 : P> (@inout τ_0_0, @owned @callee_owned (@inout τ_0_0) -> @owned @callee_owned (@out τ_0_2, @in τ_0_1) -> ()) -> @owned @callee_owned (@out τ_0_2, @in τ_0_1) -> ()
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// CHECK: [[REABSTRACT:%.*]] = function_ref @_TTRXFo_iT__iT__XFo__dT__
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// CHECK: [[CHAINED_FUNC_REABSTRACTED:%.*]] = partial_apply [[REABSTRACT]]([[CHAINED_FUNC]])
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// CHECK: apply [[CHAINED_FUNC_REABSTRACTED]]() : $@callee_owned () -> ()
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