ref: ae6e5736ca20bb724632b4491d0cfd72e48c99a5
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)
-> v[0]
}