| // RUN: %target-typecheck-verify-swift -swift-version 5 |
| |
| // Additional warnings produced in Swift 5+ mode. |
| |
| func takeAny(_ left: Any, _ right: Any) -> Int? { |
| return left as? Int |
| } |
| |
| func takesOptionalAny(_: Any?, _: Any?) {} |
| |
| class C { |
| var a: Int! |
| var b: Any?! |
| func returningIUO() -> Int! { return a } |
| func returningAny() -> Any { return a } // expected-warning {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{40-40= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{40-40=!}} |
| // expected-note@-3 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{40-40= as Any}} |
| |
| subscript(i: Int) -> Int! { return 0 } |
| subscript(i: Float) -> Any! { return 0 } |
| } |
| |
| class D { |
| init!() {} |
| } |
| |
| func returningIUO() -> Int! { return 1 } |
| |
| func warnIUOToAnyCoercion(_ a: Int!, _ b: Any?!) { |
| _ = takeAny(a, b) // expected-warning {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{16-16= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{16-16=!}} |
| // expected-note@-3 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{16-16= as Any}} |
| // expected-warning@-4 {{expression implicitly coerced from 'Any??' to 'Any'}} |
| // expected-note@-5 {{force-unwrap the value to avoid this warning}}{{19-19=!!}} |
| // expected-note@-6 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{19-19= as Any}} |
| _ = takeAny(returningIUO(), C().returningIUO()) // expected-warning {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{29-29= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{29-29=!}} |
| // expected-note@-3 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{29-29= as Any}} |
| // expected-warning@-4 {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-5 {{provide a default value to avoid this warning}}{{49-49= ?? <#default value#>}} |
| // expected-note@-6 {{force-unwrap the value to avoid this warning}}{{49-49=!}} |
| // expected-note@-7 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{49-49= as Any}} |
| _ = takeAny(C().a, C().b) // expected-warning {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{20-20= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{20-20=!}} |
| // expected-note@-3 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{20-20= as Any}} |
| // expected-warning@-4 {{expression implicitly coerced from 'Any??' to 'Any'}} |
| // expected-note@-5 {{force-unwrap the value to avoid this warning}}{{27-27=!!}} |
| // expected-note@-6 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{27-27= as Any}} |
| _ = takeAny(C()[0], C()[1.0]) // expected-warning {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{21-21= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{21-21=!}} |
| // expected-note@-3 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{21-21= as Any}} |
| // expected-warning@-4 {{expression implicitly coerced from 'Any?' to 'Any'}} |
| // expected-note@-5 {{provide a default value to avoid this warning}}{{31-31= ?? <#default value#>}} |
| // expected-note@-6 {{force-unwrap the value to avoid this warning}}{{31-31=!}} |
| // expected-note@-7 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{31-31= as Any}} |
| _ = takeAny(D(), D()) // expected-warning {{expression implicitly coerced from 'D?' to 'Any'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{18-18= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{18-18=!}} |
| // expected-note@-3 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{18-18= as Any}} |
| // expected-warning@-4 {{expression implicitly coerced from 'D?' to 'Any'}} |
| // expected-note@-5 {{provide a default value to avoid this warning}}{{23-23= ?? <#default value#>}} |
| // expected-note@-6 {{force-unwrap the value to avoid this warning}}{{23-23=!}} |
| // expected-note@-7 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{23-23= as Any}} |
| |
| _ = takeAny(a as Any, b as Any) |
| } |
| |
| func warnIUOToOptionalAnyCoercion(_ a: Int!, _ b: Any?!, _ c: Int??!, _ d: Any???!) { |
| takesOptionalAny(a, b) // expected-warning {{expression implicitly coerced from 'Any??' to 'Any?'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{24-24= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{24-24=!}} |
| // expected-note@-3 {{explicitly cast to 'Any?' with 'as Any?' to silence this warning}}{{24-24= as Any?}} |
| |
| takesOptionalAny(a, b ?? "") |
| takesOptionalAny(a, b!) |
| takesOptionalAny(a, b as Any?) |
| |
| takesOptionalAny(c, d) // expected-warning {{expression implicitly coerced from 'Int???' to 'Any?'}} |
| // expected-note@-1 {{force-unwrap the value to avoid this warning}}{{21-21=!!}} |
| // expected-note@-2 {{explicitly cast to 'Any?' with 'as Any?' to silence this warning}}{{21-21= as Any?}} |
| // expected-warning@-3 {{expression implicitly coerced from 'Any????' to 'Any?'}} |
| // expected-note@-4 {{force-unwrap the value to avoid this warning}}{{24-24=!!!}} |
| // expected-note@-5 {{explicitly cast to 'Any?' with 'as Any?' to silence this warning}}{{24-24= as Any?}} |
| |
| takesOptionalAny(c!!, d!!!) |
| takesOptionalAny(c as Any?, d as Any?) |
| } |
| |
| func takesCollectionOfAny(_ a: [Any], _ d: [String : Any]) {} |
| |
| func warnCollectionOfIUOToAnyCoercion(_ a: Int!) { |
| takesCollectionOfAny([a], ["test" : a]) // expected-warning {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-1 {{provide a default value to avoid this warning}}{{26-26= ?? <#default value#>}} |
| // expected-note@-2 {{force-unwrap the value to avoid this warning}}{{26-26=!}} |
| // expected-note@-3 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{26-26= as Any}} |
| // expected-warning@-4 {{expression implicitly coerced from 'Int?' to 'Any'}} |
| // expected-note@-5 {{provide a default value to avoid this warning}}{{40-40= ?? <#default value#>}} |
| // expected-note@-6 {{force-unwrap the value to avoid this warning}}{{40-40=!}} |
| // expected-note@-7 {{explicitly cast to 'Any' with 'as Any' to silence this warning}}{{40-40= as Any}} |
| } |
