ref: 3a49659e6d6d1d0289b7b0501eb03f23d48e828f
dir: /test/outparam-sl.myr/
use std
/* should assign a slice through an out param, returning exiting with 2 */
const arr = [1,2,3,4]
const f = {out
out# = arr[1:3]
}
const main = {
var v
f(&v)
std.exit(v[0])
}