Function join_iterator 

pub fn join_iterator<T: ToString + Sized, U: Iterator<Item = T>, S: Into<String>>(
    list: U,
    sep: S,
) -> String

Join iterators over string types using the given separator

This function can be used to join iterators over string types using the given separator. The separator can be any string, including an empty string. It will not be appended to the end of the result.

Example

use taco_display_utils::join_iterator;

let list = vec!["a", "b", "c"];
assert_eq!(join_iterator(list.iter(), ", "), "a, b, c");