index_many

Proof of concept for a method to (mutably) index a slice at multiple indices at once.

Example

rust let mut v = vec![1, 2, 3, 4, 5]; let [a, b, c] = index_many_mut(&mut v, [0, 2, 4]); *a += 10; *b += 100; *c += 1000; assert_eq!(v, vec![11, 2, 103, 4, 1005]);