Code shared from the Rust Playground

playground.rs

use std::fmt::Display;

fn do_things<T>(a: T, b: T) where
    T: IntoIterator,
    T::Item: Display {
    for (e,f) in a.into_iter().zip(b.into_iter()) {
        println!("{} {}", e, f);
    }
}

fn main() {
    do_things(&[1,2,3], &[4,5,6]);
}