Crate extend_ref

extend-ref

A wrapper struct that implements Extend for mutable references.

use extend_ref::ExtendRef;

fn unzip_on_refs(
    mut squares: &mut impl Extend<i32>,
    mut cubes: &mut impl Extend<i32>,
    mut tesseracts: &mut impl Extend<i32>
) {
    // Create an iterator of a 3-tuple
    let iter = (0i32..10).map(|i| (i * i, i.pow(3), i.pow(4)));

    // Unzip the iterator into the three referenced collections
    (ExtendRef(squares), ExtendRef(cubes), ExtendRef(tesseracts)).extend(iter);
}

Structs

ExtendRef