Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
The real handler type to be used for the asynchronous operation.
typedef boost::asio::async_result< typename decay< CompletionToken >::type, Signature >::completion_handler_type completion_handler_type;
|
Name |
Description |
|---|---|
|
The concrete completion handler type for the specific signature. |
|
|
The return type of the initiating function. |
|
Name |
Description |
|---|---|
|
Construct an async result from a given handler. |
|
|
Obtain the value to be returned from the initiating function. |
The async_result
traits class is used for determining:
The trait allows the handler and return types to be determined at the point where the specific completion handler signature is known.
This template may be specialised for user-defined completion token types. The primary template assumes that the CompletionToken is the completion handler.
Header: boost/asio/async_result.hpp
Convenience header: boost/asio.hpp