pub fn zip_eq3<A, B, C>(
    a: A,
    b: B,
    c: C
) -> impl Iterator<Item = (A::Item, B::Item, C::Item)>where
    A: IntoIterator,
    B: IntoIterator,
    C: IntoIterator,
Expand description

Similar to zip_eq, except that it works with 3 iterators.