...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
enum wait_type
Wait for a socket to become ready to read.
Wait for a socket to become ready to write.
Wait for a socket to have error conditions pending.
For use with basic_socket::wait()
and basic_socket::async_wait()
.