Function gobble::repeater::exact

pub fn exact<A: Parser>(a: A, n: usize) -> Exact<A>

Repeat an exact number of times

use gobble::*;
let p = repeat_n(common::Int.then_ig(","),5);
let v = p.parse_s("7,6,5,4,3,2,1").unwrap();
assert_eq!(v,vec![7,6,5,4,3]);