co_await must be used on rvalue

avplayer · Oct 13, 2024 · c973b78 · c973b78
1 parent 5174e2d
commit c973b78
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/include/ucoro/awaitable.hpp b/include/ucoro/awaitable.hpp
@@ -174,7 +174,8 @@ namespace ucoro
 			requires(detail::is_awaiter_v<std::decay_t<A>>)
 		auto await_transform(A&& awaiter) const
 		{
-			return std::move(awaiter);
+			static_assert(std::is_rvalue_reference_v<decltype(awaiter)>, "co_await must be used on rvalue");
+			return std::forward<A>(awaiter);
 		}
 
 		template <typename A>

diff --git a/tests/test1/test1.cpp b/tests/test1/test1.cpp
@@ -29,7 +29,7 @@ ucoro::awaitable<void> coro_compute_exec(int value)
 
 	auto comput_promise = coro_compute_int(value);
 
-	auto ret = co_await comput_promise;
+	auto ret = co_await std::move(comput_promise);
 	std::cout << "return: " << ret << std::endl;
 	co_return;
 }