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 1.91.0.

websocket::stream::get_option

Get the permessage-deflate extension options.

void
get_option(
    permessage_deflate& o);