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2e1b6e7070
Part of rdar://problem/65152582, where key paths were generating references to setters in contexts where they weren't available.
36 lines
1.0 KiB
Swift
36 lines
1.0 KiB
Swift
// RUN: %target-swift-frontend -target x86_64-apple-macosx10.9 -typecheck -verify %s
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// REQUIRES: OS=macosx
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struct Butt {
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var setter_conditionally_available: Int {
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get { fatalError() }
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@available(macOS 10.10, *)
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set { fatalError() }
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}
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}
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func assertExactType<T>(of _: inout T, is _: T.Type) {}
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@available(macOS 10.9, *)
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public func unavailableSetterContext() {
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var kp = \Butt.setter_conditionally_available
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assertExactType(of: &kp, is: KeyPath<Butt, Int>.self)
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}
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@available(macOS 10.10, *)
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public func availableSetterContext() {
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var kp = \Butt.setter_conditionally_available
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assertExactType(of: &kp, is: WritableKeyPath<Butt, Int>.self)
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}
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@available(macOS 10.9, *)
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public func conditionalAvailableSetterContext() {
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if #available(macOS 10.10, *) {
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var kp = \Butt.setter_conditionally_available
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assertExactType(of: &kp, is: WritableKeyPath<Butt, Int>.self)
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} else {
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var kp = \Butt.setter_conditionally_available
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assertExactType(of: &kp, is: KeyPath<Butt, Int>.self)
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}
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}
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