| // RUN: %target-repl-run-simple-swift | %FileCheck %s |
| |
| // REQUIRES: swift_repl |
| |
| protocol Fooable { |
| func foo() |
| } |
| |
| class C {} |
| class D: C {} |
| |
| func fooify<T>(x: T) { |
| if let foo = x as? Fooable { |
| foo.foo() |
| } else { |
| print("--not fooable--") |
| } |
| } |
| |
| fooify(1) // CHECK: --not fooable-- |
| fooify(1) // CHECK: --not fooable-- |
| fooify(C()) // CHECK: --not fooable-- |
| fooify(C()) // CHECK: --not fooable-- |
| fooify(D()) // CHECK: --not fooable-- |
| fooify(D()) // CHECK: --not fooable-- |
| |
| extension Int: Fooable { |
| func foo() { print("--Int--") } |
| } |
| |
| fooify(1) // CHECK: --Int-- |
| fooify(1) // CHECK: --Int-- |
| |
| extension D: Fooable { |
| func foo() { print("--D--") } |
| } |
| |
| fooify(D()) // CHECK: D |
| fooify(D()) // CHECK: D |
| fooify(C()) // CHECK: --not fooable-- |
| fooify(C()) // CHECK: --not fooable-- |
