Function post

3rd/asio-1.24.0/include/asio/strand.hpp:327–331

   */
  template <typename Function, typename Allocator>
  void post(ASIO_MOVE_ARG(Function) f, const Allocator& a) const
  {
    detail::strand_executor_service::post(impl_,
        executor_, ASIO_MOVE_CAST(Function)(f), a);
  }

  /// Request the strand to invoke the given function object.
  /**