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

This is the documentation for a snapshot of the master branch, built from commit f335504497.

Returns the close reason received from the remote peer.

close_reason const&
reason() const;

This is only valid after a read completes with error::closed.