Function restq::ast::parser::list_fail

pub fn list_fail<'a, I, O, U>(
    parser: Parser<'a, I, O>, 
    separator: Parser<'a, I, U>
) -> Parser<'a, I, Vec<O>> where
    O: 'a,
    U: 'a, 

Parses a list with the defined separator, but will fail early when one of the item can not be parsed