| // RUN: %target-run-simple-swift | %FileCheck %s |
| // REQUIRES: executable_test |
| |
| protocol RollCallable { |
| func rollCall() -> String |
| } |
| |
| protocol Snarker { |
| func snark() -> String |
| } |
| |
| struct Cambot : RollCallable { |
| func rollCall() -> String { return "Cambot!" } |
| } |
| struct Gypsy : RollCallable { |
| func rollCall() -> String { return "Gypsy!" } |
| } |
| struct TomServo : RollCallable { |
| func rollCall() -> String { return "Tom Servo!" } |
| } |
| struct Crow : RollCallable, Snarker { |
| func rollCall() -> String { return "Croooow!" } |
| func snark() -> String { return "That's one O!" } |
| } |
| |
| func printRollCall(_ x: RollCallable) { |
| print(x.rollCall()) |
| } |
| |
| func printRollCallWithSnark(_ x: RollCallable & Snarker) { |
| printRollCall(x) |
| print("(\(x.snark()))") |
| } |
| |
| // CHECK: Cambot! |
| printRollCall(Cambot()) |
| // CHECK: Gypsy! |
| printRollCall(Gypsy()) |
| // CHECK: Tom Servo! |
| printRollCall(TomServo()) |
| // CHECK: Croooow! |
| // CHECK: (That's one O!) |
| printRollCallWithSnark(Crow()) |
