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 develop branch, built from commit 5f0ff1c60c.

Global a9

boost::xpressive::a9

// In header: <boost/xpressive/regex_primitives.hpp>

unspecified a9;