Function nom::multi::separated_list0
source · [−]pub fn separated_list0<I, O, O2, E, F, G>(
sep: G,
f: F
) -> impl FnMut(I) -> IResult<I, Vec<O>, E> where
I: Clone + InputLength,
F: Parser<I, O, E>,
G: Parser<I, O2, E>,
E: ParseError<I>,
Expand description
Alternates between two parsers to produce a list of elements.
Arguments
sep
Parses the separator between list elements.f
Parses the elements of the list.
use nom::multi::separated_list0;
use nom::bytes::complete::tag;
fn parser(s: &str) -> IResult<&str, Vec<&str>> {
separated_list0(tag("|"), tag("abc"))(s)
}
assert_eq!(parser("abc|abc|abc"), Ok(("", vec!["abc", "abc", "abc"])));
assert_eq!(parser("abc123abc"), Ok(("123abc", vec!["abc"])));
assert_eq!(parser("abc|def"), Ok(("|def", vec!["abc"])));
assert_eq!(parser(""), Ok(("", vec![])));
assert_eq!(parser("def|abc"), Ok(("def|abc", vec![])));