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This is a follow up to changes related to contextual availability (https://github.com/apple/swift/pull/29921) which increased score for unavailable declarations only if they were overloaded but overlooked a case of a single unavailable choice. Resolve: rdar://problem/60047439
37 lines
691 B
Swift
37 lines
691 B
Swift
// RUN: %target-typecheck-verify-swift -swift-version 4
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// Ensure that we do not select the unavailable failable init as the
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// only solution and then fail to typecheck.
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protocol P {}
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class C : P {
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@available(swift, obsoleted: 4)
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public init?(_ c: C) {
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}
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public init<T : P>(_ c: T) {}
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}
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func f(c: C) {
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let _: C? = C(c)
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}
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// rdar://problem/60047439 - unable to disambiguite expression based on availablity
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func test_contextual_member_with_availability() {
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struct A {
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static var foo: A = A()
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}
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struct B {
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@available(*, unavailable, renamed: "bar")
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static var foo: B = B()
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}
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struct Test {
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init(_: A) {}
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init(_: B) {}
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}
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_ = Test(.foo) // Ok
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}
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