Function display_utils::concat

pub fn concat<I>(iterator: I) -> Concat<I::IntoIter> where
    I: IntoIterator,
    I::Item: Display,
    I::IntoIter: Clone, 

Concatenate the contents of an iterator.

If you want to insert a separator inbetween elements, use join or join_format. If you want to concatenate different types, use concat!.

let string = String::from("It's not much, but it's honest work");
assert_eq!(concat(&[
    &string[11..13],
    &string[25..27],
    &string[34..35],
]).to_string(), "chonk");