Function cookie_factory::separated_list

pub fn separated_list<F, G, I, It>(sep: F, values: It) -> impl SerializeFn<I> where
    F: SerializeFn<I>,
    G: SerializeFn<I>,
    It: Clone + Iterator<Item = G>, 

applies an iterator of serializers

use cookie_factory::{separated_list, string};

let mut buf = [0u8; 100];

let data = vec!["abcd", "efgh", "ijkl"];
let len = {
  let (_, len) = separated_list(string(","), data.iter().map(string))(&mut buf[..]).unwrap();
  len
};

assert_eq!(len, 14usize);
assert_eq!(&buf[..14], &b"abcd,efgh,ijkl"[..]);