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cb545e7202
Detect that result type of the overload choice is l-value and preserve that information through the forced unwrap operation so it's possible to load the value implicitly during solution application. Resolves: rdar://problem/61337704
66 lines
2.4 KiB
Swift
66 lines
2.4 KiB
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -verify %s
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// REQUIRES: objc_interop
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import Foundation
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func iuo_error(prop: IUOProperty) {
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let _: Coat? = prop.iuo.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat? = prop.iuo.optional()!
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat? = prop.iuo.optional!()
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let _: Coat? = prop.iuo.optional!()!
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let _: Coat? = prop.iuo!.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat? = prop.iuo!.optional()!
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat? = prop.iuo!.optional!()
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let _: Coat? = prop.iuo!.optional!()!
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let _: Coat = prop.iuo.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat)?' must be unwrapped}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat = prop.iuo.optional()!
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat = prop.iuo.optional!()
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let _: Coat = prop.iuo.optional!()!
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let _: Coat = prop.iuo!.optional()
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// expected-error@-1 {{value of optional type '(() -> Coat)?' must be unwrapped}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat = prop.iuo!.optional()!
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// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
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// expected-note@-2{{coalesce}}
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// expected-note@-3{{force-unwrap}}
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let _: Coat = prop.iuo!.optional!()
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let _: Coat = prop.iuo!.optional!()!
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let _ = prop.iuo.name
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}
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protocol X {}
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extension X where Self : OptionalRequirements {
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func test() {
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let _ = self.name
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}
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}
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func rdar61337704() {
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func setColor(v: ColorDescriptor) { }
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let descriptor = PaletteDescriptor()
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setColor(v: descriptor.colors[0]) // Ok
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}
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