ref: d4bb1a020b60fe906dfa7ee2a12cc4fee1513e6a
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++ ;; }