Function cookie_factory::separated_list

pub fn separated_list<F, G, I: Write, 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 of the same type with a separator between each serializer

use cookie_factory::{separated_list, string};

let mut buf = [0u8; 100];

let data = vec!["abcd", "efgh", "ijkl"];
{
  let buf = separated_list(string(","), data.iter().map(string))(&mut buf[..]).unwrap();
  assert_eq!(buf.len(), 100 - 14);
}

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