| 40 | |
| 41 | template <typename CompletionToken> |
| 42 | auto throw_first(CompletionToken&& token) |
| 43 | { |
| 44 | return boost::asio::async_initiate<CompletionToken, void()>( |
| 45 | boost::asio::co_composed( |
| 46 | [](auto state) -> void |
| 47 | { |
| 48 | throw 42; |
| 49 | co_yield state.complete(); |
| 50 | }), token); |
| 51 | } |
| 52 | |
| 53 | void test_throw_first() |
| 54 | { |