Function x11rb_protocol::resource_manager::matcher::zip_longest::zip_longest

source ยท 
pub(super) fn zip_longest<'a, T>(
    a: &'a [T],
    b: &'a [T],
) -> impl Iterator<Item = (Option<&'a T>, Option<&'a T>)> + 'a
Expand description

Given two slices, produce an iterator that zips the two slices.

Compared to std::iter::Iterator::zip(), this iterator does not stop at the end of the shorter of the two slices, but instead continues to the end of the longer slice. To make this possible, the individual items are wrapped in Option.

See tests below to make this clearer.