ref: 3a9041b78a81f9310fdb48fc3e4a15d5a554814d dir: /test/tuple.myr/
use std /* checks that we can create tuples and destructure them. exits with 42. */ const main = { var v var x var a var b x = 15 v = (x, x + 12) (a, b) = v std.exit(a + b) }