improve (#537)

Author: qicosmos

include/cinatra/ylt/coro_io/coro_io.hpp

@@ -260,13 +260,11 @@ inline async_simple::coro::Lazy<std::error_code> async_handshake(
 #endif
 class period_timer : public asio::steady_timer {
  public:
+  using asio::steady_timer::steady_timer;
   template <typename T>
   period_timer(coro_io::ExecutorWrapper<T> *executor)
       : asio::steady_timer(executor->get_asio_executor()) {}
-  template <typename executor_t, typename Rep, typename Period>
-  period_timer(const executor_t &executor,
-               const std::chrono::duration<Rep, Period> &timeout_duration)
-      : asio::steady_timer(executor, timeout_duration) {}
+
   async_simple::coro::Lazy<bool> async_await() noexcept {
     callback_awaitor<bool> awaitor;
 
@@ -297,10 +295,10 @@ inline async_simple::coro::Lazy<void> sleep_for(const Duration &d) {
   }
 }
 
-template <typename R, typename Func>
+template <typename R, typename Func, typename Executor>
 struct post_helper {
   void operator()(auto handler) const {
-    asio::dispatch(e->get_asio_executor(), [this, handler]() {
+    asio::dispatch(e, [this, handler]() {
       try {
         if constexpr (std::is_same_v<R, async_simple::Try<void>>) {
           func();
@@ -317,24 +315,30 @@ struct post_helper {
       }
     });
   }
-  coro_io::ExecutorWrapper<> *e;
+  Executor e;
   Func func;
 };
 
-template <typename Func>
+template <typename Func, typename Executor>
 inline async_simple::coro::Lazy<
     async_simple::Try<typename util::function_traits<Func>::return_type>>
-post(Func func,
-     coro_io::ExecutorWrapper<> *e = coro_io::get_global_block_executor()) {
+post(Func func, Executor executor) {
   using R =
       async_simple::Try<typename util::function_traits<Func>::return_type>;
 
   callback_awaitor<R> awaitor;
-
-  post_helper<R, Func> helper{e, std::move(func)};
+  post_helper<R, Func, Executor> helper{executor, std::move(func)};
   co_return co_await awaitor.await_resume(helper);
 }
 
+template <typename Func>
+inline async_simple::coro::Lazy<
+    async_simple::Try<typename util::function_traits<Func>::return_type>>
+post(Func func,
+     coro_io::ExecutorWrapper<> *e = coro_io::get_global_block_executor()) {
+  co_return co_await post(std::move(func), e->get_asio_executor());
+}
+
 template <typename R>
 struct coro_channel
     : public asio::experimental::channel<void(std::error_code, R)> {