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.
This module includes parsers for single characters. Currently, this module
includes literal chars (e.g. 'x',
L'x'),
char_ (single characters,
ranges and character sets) and the encoding specific character classifiers
(alnum, alpha,
digit, xdigit,
etc.).
// forwards to <boost/spirit/home/qi/char.hpp> #include <boost/spirit/include/qi_char.hpp>
Also, see Include Structure.