gcc/testsuite/g++.dg/coroutines/pr95050.C

   1 #if __has_include (<coroutine>)
   2 #include <coroutine>
   3 using namespace std;
   4 #elif defined (__clang__) && __has_include (<experimental/coroutine>)
   5 #include <experimental/coroutine>
   6 using namespace std::experimental;
   7 #endif
   8 #include <utility>
   9
  10 struct ret_type
  11 {
  12   ret_type () = default;
  13   ret_type (const ret_type&) = delete;
  14   //ret_type (ret_type&&) = default;
  15   ~ret_type() {}
  16 };
  17
  18 struct task
  19 {
  20   struct promise_type
  21   {
  22     auto get_return_object () -> task  { return {}; }
  23     auto initial_suspend () -> suspend_always { return {}; }
  24     auto final_suspend () -> suspend_always { return {}; }
  25     void return_void () {}
  26     void unhandled_exception () { }
  27     void thing (ret_type x) {}
  28   };
  29 };
  30
  31 struct awaiter
  32 {
  33   bool await_ready() const { return true; }
  34   void await_suspend (coroutine_handle<>) {}
  35   ret_type await_resume() { return {}; }
  36 };
  37
  38 task
  39 my_coro ()
  40 {
  41   ret_type r2{co_await awaiter{}};
  42   //ret_type r3 (std::move(r2));
  43 }
  44
  45 int main()
  46 {
  47  auto x = my_coro ();
  48  return 0;
  49 }