ref: 4bff4b0a1771d2b450feceb3c2177d76c3adb504
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])
}