...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
boost::parser::lexeme
// In header: <boost/parser/parser.hpp> constexpr directive< lexeme_parser > lexeme;
The lexeme
directive, whose operator[]
returns a parser_interface<lexeme_parser<P>>
from a given parser of type parser_interface<P>
.