ref: 81c19d1a4fb393758ce2f08c63f8511ada5bc413
dir: /test/patiter.myr/
use std
const main = {
/* should print 1,3,5, skipping 4 */
for (1,x) in [(1,2),(1,3),(2,4),(1,5)]
std.put("{}", x)
;;
/* should print 1, 2 skipping `None */
for `std.Some v in [`std.None, `std.Some 1, `std.Some 2]
std.put("{}", v)
;;
std.put("\n")
}