ref: 7cd4f442cf238c5de486b54deb0bfd3a3f7a0516
dir: /lib/iter/test/zip.myr/
use std
use iter
const main = {
var n
n = 0
for (a, b) : iter.byzip([0,2,4,6,8][:], [2,4][:])
std.assert(a == n*2, "invalid val from a: {}", a)
std.assert(b == n*2 + 2, "invalid val from b: {}", b)
n++
;;
}