1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -std=c++14 -fcoroutines-ts -fsyntax-only -Wall -Wextra -Wuninitialized -fblocks |
2 | #include "Inputs/std-coroutine.h" |
3 | |
4 | using namespace std::experimental; |
5 | |
6 | |
7 | struct A { |
8 | bool await_ready() { return true; } |
9 | int await_resume() { return 42; } |
10 | template <typename F> |
11 | void await_suspend(F) {} |
12 | }; |
13 | |
14 | |
15 | struct coro_t { |
16 | struct promise_type { |
17 | coro_t get_return_object() { return {}; } |
18 | suspend_never initial_suspend() { return {}; } |
19 | suspend_never final_suspend() { return {}; } |
20 | A yield_value(int) { return {}; } |
21 | void return_void() {} |
22 | static void unhandled_exception() {} |
23 | }; |
24 | }; |
25 | |
26 | coro_t f(int n) { |
27 | if (n == 0) |
28 | co_return; |
29 | co_yield 42; |
30 | int x = co_await A{}; |
31 | } |
32 | |
33 | template <class Await> |
34 | coro_t g(int n) { |
35 | if (n == 0) |
36 | co_return; |
37 | co_yield 42; |
38 | int x = co_await Await{}; |
39 | } |
40 | |
41 | int main() { |
42 | f(0); |
43 | g<A>(0); |
44 | } |
45 | |