Macro nom::many0

macro_rules! many0 {
    ($i : expr, $submac : ident! ($($args : tt) *)) => { ... };
    ($i : expr, $f : expr) => { ... };
}

many0!(I -> IResult<I,O>) => I -> IResult<I, Vec<O>> Applies the parser 0 or more times and returns the list of results in a Vec.

The embedded parser may return Incomplete.

many0 will only return Error if the embedded parser does not consume any input (to avoid infinite loops).

 named!(multi<&[u8], Vec<&[u8]> >, many0!( tag!( "abcd" ) ) );

 let a = b"abcdabcdefgh";
 let b = b"azerty";

 let res = vec![&b"abcd"[..], &b"abcd"[..]];
 assert_eq!(multi(&a[..]),Ok((&b"efgh"[..], res)));
 assert_eq!(multi(&b[..]),Ok((&b"azerty"[..], Vec::new())));