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 2024. The current version is 1.90.0.

no_error

A special value used to indicate the absence of an error.

constexpr no_error_t no_error;

Header: boost/asio/disposition.hpp

Convenience header: boost/asio.hpp