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69 lines
2.2 KiB
Swift
69 lines
2.2 KiB
Swift
// RUN: %target-parse-verify-swift
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func f0(x: Int, y: Int, z: Int) { }
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func f1(x: Int, while: Int) { }
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func f2(x: Int, `let` _: Int) { }
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func f3(x: Int, _ y: Int, z: Int) { }
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func test01() {
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_ = f0(_:y:z:)
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_ = f0(:y:z:) // expected-error{{an empty argument label is spelled with '_'}}{{10-10=_}}
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_ = f1(_:`while`:) // expected-warning{{keyword 'while' does not need to be escaped in argument list}}{{12-13=}}{{18-19=}}
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_ = f2(_:`let`:)
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_ = f3(_::z:) // expected-error{{an empty argument label is spelled with '_'}}{{12-12=_}}
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}
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struct S0 {
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func f0(x: Int, y: Int, z: Int) { }
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func f1(x: Int, while: Int) { }
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func f2(x: Int, `let` _: Int) { }
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func testS0() {
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_ = f0(_:y:z:)
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_ = f0(:y:z:) // expected-error{{an empty argument label is spelled with '_'}}{{12-12=_}}
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_ = f1(_:`while`:) // expected-warning{{keyword 'while' does not need to be escaped in argument list}}{{14-15=}}{{20-21=}}
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_ = f2(_:`let`:)
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_ = self.f0(_:y:z:)
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_ = self.f0(:y:z:) // expected-error{{an empty argument label is spelled with '_'}}{{17-17=_}}
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_ = self.f1(_:`while`:) // expected-warning{{keyword 'while' does not need to be escaped in argument list}}{{19-20=}}{{25-26=}}
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_ = self.f2(_:`let`:)
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}
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static func f3(x: Int, y: Int, z: Int) -> S0 { return S0() }
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}
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// Determine context from type.
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let s0_static: S0 = .f3(_:y:z:)(0, y: 0, z: 0)
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class C0 {
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init(x: Int, y: Int, z: Int) { }
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convenience init(all: Int) {
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self.init(x:y:z:)(x: all, y: all, z: all)
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}
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func f0(x: Int, y: Int, z: Int) { }
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func f1(x: Int, while: Int) { }
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func f2(x: Int, `let` _: Int) { }
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}
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class C1 : C0 {
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init(all: Int) {
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super.init(x:y:z:)(x: all, y: all, z: all)
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}
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func testC0() {
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_ = f0(_:y:z:)
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_ = f0(:y:z:) // expected-error{{an empty argument label is spelled with '_'}}{{12-12=_}}
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_ = f1(_:`while`:) // expected-warning{{keyword 'while' does not need to be escaped in argument list}}{{14-15=}}{{20-21=}}
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_ = f2(_:`let`:)
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_ = super.f0(_:y:z:)
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_ = super.f0(:y:z:) // expected-error{{an empty argument label is spelled with '_'}}{{18-18=_}}
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_ = super.f1(_:`while`:) // expected-warning{{keyword 'while' does not need to be escaped in argument list}}{{20-21=}}{{26-27=}}
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_ = self.f2(_:`let`:)
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}
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}
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