ref: 63ee97c65c38dfd6a8100e8386610b10cb2c0d77
dir: /test/patiter.myr/
use std
const main = {
/* should print 1,3,5, skipping 4 */
for (1,x) : [(1,2),(1,3),(2,4),(1,5)]
std.put("{}", x)
;;
/* should print 1, 2 skipping `None */
for `std.Some v : [`std.None, `std.Some 1, `std.Some 2]
std.put("{}", v)
;;
std.put("\n")
}