ref: 3b5584581a79cec899c7f6a5233529a64a22ab5f
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++ ;; }