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A parse-only option is needed for parse performance tracking and the current option also includes semantic analysis.
31 lines
1.4 KiB
Swift
31 lines
1.4 KiB
Swift
// RUN: %target-typecheck-verify-swift
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//===----------------------------------------------------------------------===//
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// Generic function declarations
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//===----------------------------------------------------------------------===//
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func f0<T>(x: Int, y: Int, t: T) { }
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func f1<T : Any>(x: Int, y: Int, t: T) { }
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func f2<T : IteratorProtocol>(x: Int, y: Int, t: T) { }
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func f3<T : () -> ()>(x: Int, y: Int, t: T) { } // expected-error{{expected a type name or protocol composition restricting 'T'}}
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func f4<T>(x: T, y: T) { }
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// Non-protocol type constraints.
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func f6<T : Wonka>(x: T) {} // expected-error{{use of undeclared type 'Wonka'}}
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// FIXME: The term 'inherit' is unfortunate here.
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func f7<T : Int>(x: T) {} // expected-error{{inheritance from non-protocol, non-class type 'Int'}}
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func f8<T> (x: Int) {} //expected-error{{generic parameter 'T' is not used in function signature}}
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public class A<X> {
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init<T>(){} //expected-error{{generic parameter 'T' is not used in function signature}}
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public func f9<T, U>(x: T, y: X) {} //expected-error{{generic parameter 'U' is not used in function signature}}
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public func f10(x: Int) {}
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public func f11<T, U>(x: X, y: T) {} //expected-error{{generic parameter 'U' is not used in function signature}}
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}
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protocol P { associatedtype A }
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func f12<T : P>(x: T) -> T.A<Int> {} //expected-error{{cannot specialize non-generic type 'T.A'}}{{29-34=}}
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