is_not

mech_syntax::parser

Function is_not 

Source 
pub fn is_not<'a, F, E>(
    parser: F,
) -> impl FnMut(ParseString<'a>) -> ParseResult<'_, ()>
where
    F: FnMut(ParseString<'a>) -> ParseResult<'_, E>,
Expand description

For parser p, return the !p peek parsing expression.