| // RUN: %clang_cc1 -verify -std=c++20 -fsyntax-only %s |
| |
| #include "Inputs/std-coroutine.h" |
| |
| namespace std::experimental { |
| // expected-note@+1{{declared here}} |
| template <typename T> using coroutine_traits = std::coroutine_traits<T>; |
| using std::coroutine_handle; |
| } // namespace std::experimental |
| |
| struct my_awaitable { |
| bool await_ready() noexcept; |
| void await_suspend(std::experimental::coroutine_handle<> coro) noexcept; |
| void await_resume() noexcept; |
| }; |
| |
| struct promise_void { |
| void get_return_object(); |
| my_awaitable initial_suspend(); |
| my_awaitable final_suspend() noexcept; |
| void return_void(); |
| void unhandled_exception(); |
| }; |
| |
| template <> |
| struct std::coroutine_traits<void> { using promise_type = promise_void; }; |
| |
| void test() { |
| co_return; // expected-error {{mixed use of std and std::experimental namespaces for coroutine components}} |
| // expected-warning@-1{{support for std::experimental::coroutine_traits will be removed}} |
| // expected-note@Inputs/std-coroutine.h:8 {{'coroutine_traits' declared here}} |
| } |