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// RUN: %target-typecheck-verify-swift
protocol P {
func foo(_ i: Int, x: Float) // expected-note 5 {{requirement 'foo(_:x:)' declared here}}
}
struct S1 : P {
func foo(_ i: Int, x: Float) { }
}
struct S2 : P {
func foo(_ i: Int, _ x: Float) { } // expected-error{{method 'foo' has different argument labels from those required by protocol 'P' ('foo(_:x:)')}}{{22-24=}}
}
struct S3 : P {
func foo(_ i: Int, y: Float) { } // expected-error{{method 'foo(_:y:)' has different argument labels from those required by protocol 'P' ('foo(_:x:)')}}{{22-22=x }}
}
struct S4 : P {
func foo(_ i: Int, _: Float) { } // expected-error{{method 'foo' has different argument labels from those required by protocol 'P' ('foo(_:x:)')}}{{22-22=x }}
}
struct S5 : P {
func foo(_ i: Int, z x: Float) { } // expected-error{{method 'foo(_:z:)' has different argument labels from those required by protocol 'P' ('foo(_:x:)')}}{{22-24=}}
}
struct S5a {
func foo(_ i: Int, z x: Float) { } // expected-note {{'foo(_:z:)' declared here}} {{none}}
}
extension S5a: P {} // expected-error{{method 'foo(_:z:)' has different argument labels from those required by protocol 'P' ('foo(_:x:)')}} {{none}}
struct Loadable { }
protocol LabeledRequirement {
func method(x: Loadable)
}
struct UnlabeledWitness : LabeledRequirement {
func method(x _: Loadable) {}
}
// rdar://problem/21333445
protocol P2 {
init(_ : Int) // expected-note{{requirement 'init(_:)' declared here}}
}
struct XP2 : P2 { // expected-error{{initializer 'init(foo:)' has different argument labels from those required by protocol 'P2' ('init(_:)')}}
let foo: Int
}
// rdar://problem/22981205
protocol P3 {
subscript(val: String, label arg: String) -> Int { get } // expected-note{{requirement 'subscript(_:label:)' declared here}}
}
class MislabeledSubscript : P3 {
subscript(val: String, label: String) -> Int { // expected-error{{subscript 'subscript(_:_:)' has different argument labels from those required by protocol 'P3' ('subscript(_:label:)')}}
return 1
}
}
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