| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -std=c++14 -fcoroutines-ts -fsyntax-only -Wignored-qualifiers -Wno-error=return-type -verify -fblocks -Wno-unreachable-code -Wno-unused-value |
| 2 | #ifndef STD_COROUTINE_H |
| 3 | #define STD_COROUTINE_H |
| 4 | |
| 5 | namespace std { |
| 6 | namespace experimental { |
| 7 | |
| 8 | template <class Ret, typename... T> |
| 9 | struct coroutine_traits { using promise_type = typename Ret::promise_type; }; |
| 10 | |
| 11 | template <class Promise = void> |
| 12 | struct coroutine_handle { |
| 13 | static coroutine_handle from_address(void *); |
| 14 | }; |
| 15 | template <> |
| 16 | struct coroutine_handle<void> { |
| 17 | template <class PromiseType> |
| 18 | coroutine_handle(coroutine_handle<PromiseType>); |
| 19 | static coroutine_handle from_address(void *); |
| 20 | }; |
| 21 | |
| 22 | struct suspend_always { |
| 23 | bool await_ready() { return false; } |
| 24 | void await_suspend(coroutine_handle<>) {} |
| 25 | void await_resume() {} |
| 26 | }; |
| 27 | |
| 28 | struct suspend_never { |
| 29 | bool await_ready() { return true; } |
| 30 | void await_suspend(coroutine_handle<>) {} |
| 31 | void await_resume() {} |
| 32 | }; |
| 33 | |
| 34 | } // namespace experimental |
| 35 | } // namespace std |
| 36 | |
| 37 | #endif // STD_COROUTINE_H |
| 38 | |