The character based token definitions described in this section are:
char_ creates token
definitions matching single characters. The
token definition is associated
encoding namespace. This is needed when doing basic operations such as
forcing lower or upper case and dealing with character ranges.
// forwards to <boost/spirit/home/lex/lexer/char_token_def.hpp> #include <boost/spirit/include/lex_char_token_def.hpp>
Also, see Include Structure.
Character-class specific character from
Semantics of an expression is defined only where it differs from, or
is not defined in
Create a token definition matching the character literal
Create a token definition matching the character