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23 lines
404 B
Swift
23 lines
404 B
Swift
// RUN: %target-typecheck-verify-swift
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struct M<T> where T : Collection { // expected-note {{where 'T' = 'X.Y'}}
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static func f(a: T, b: T) -> [E<T.Iterator.Element>] {
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}
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}
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enum E<T> {}
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struct S {}
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struct X {
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struct Y {
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let s: [S]
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}
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let y: [Y]
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}
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let x = X(y: [])
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let a = M.f(a: x.y[0], b: x.y[1])
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// expected-error@-1 {{generic struct 'M' requires that 'X.Y' conform to 'Collection'}}
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