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 an older version of Boost and was released in 2018. The current version is 1.89.0.

error_category

error_category

The type of error category used by the library.

Synopsis

Defined in header <boost/beast/core/error.hpp>

using error_category = boost::system::error_category;

Convenience header <boost/beast/core.hpp>