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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -verify %s
// REQUIRES: objc_interop
import Foundation
func iuo_error(prop: IUOProperty) {
let _: Coat? = prop.iuo.optional()
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat? = prop.iuo.optional()!
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat? = prop.iuo.optional!()
let _: Coat? = prop.iuo.optional!()!
let _: Coat? = prop.iuo!.optional()
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat? = prop.iuo!.optional()!
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat? = prop.iuo!.optional!()
let _: Coat? = prop.iuo!.optional!()!
let _: Coat = prop.iuo.optional()
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat = prop.iuo.optional()!
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat = prop.iuo.optional!()
let _: Coat = prop.iuo.optional!()!
let _: Coat = prop.iuo!.optional()
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat = prop.iuo!.optional()!
// expected-error@-1 {{value of optional type '(() -> Coat?)?' must be unwrapped to a value of type '() -> Coat?'}}
// expected-note@-2{{coalesce}}
// expected-note@-3{{force-unwrap}}
let _: Coat = prop.iuo!.optional!()
let _: Coat = prop.iuo!.optional!()!
let _ = prop.iuo.name
}
protocol X {}
extension X where Self : OptionalRequirements {
func test() {
let _ = self.name
}
}
func rdar61337704() {
func setColor(v: ColorDescriptor) { }
let descriptor = PaletteDescriptor()
setColor(v: descriptor.colors[0]) // Ok
}
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