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22 lines
1.3 KiB
Swift
22 lines
1.3 KiB
Swift
// RUN: %target-typecheck-verify-swift
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struct W<T> {}
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struct S<C1: Collection> {
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init(){}
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// expected-note@+2 {{where 'C1.Element' = 'String', 'W<C2.Element>' = 'Int'}}
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// expected-note@+1 {{where 'C1.Element' = 'C1', 'W<C2.Element>' = 'C2.Element'}}
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init<C2>(_ c2: W<C2>) where C2: Collection, C1.Element == W<C2.Element> {}
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// expected-note@+1 {{where 'C1.Element' = 'String', 'W<C2.Element>' = 'Int'}}
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static func f<C2>(_ c2: W<C2>) where C2: Collection, C1.Element == W<C2.Element> {}
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// expected-note@+1 {{where 'C1.Element' = 'String', 'W<C2.Element>' = 'Int'}}
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func instancef<C2>(_ c2: W<C2>) where C2: Collection, C1.Element == W<C2.Element> {}
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}
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let _ = S<[W<String>]>(W<[Int]>()) // expected-error{{initializer 'init(_:)' requires the types 'String' and 'Int' be equivalent}}
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let _ = S<[W<String>]>.f(W<[Int]>()) // expected-error{{static method 'f' requires the types 'String' and 'Int' be equivalent}}
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let _ = S<[W<String>]>().instancef(W<[Int]>()) // expected-error{{instance method 'instancef' requires the types 'String' and 'Int' be equivalent}}
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// Archetypes requirement failure
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func genericFunc<C1: Collection, C2: Collection>(_ c2: W<C2>, c1: C1.Type) where C1.Element == W<C2.Element> {
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let _ = S<[W<C1>]>(W<C2>()) // expected-error{{initializer 'init(_:)' requires the types 'C1' and 'C2.Element' be equivalent}}
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}
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