ref: 220d3dfdc7f4c5ae8967a03194bbae868c9f8ac8
dir: /lib/std/slpop.myr/
use "types.use"
use "alloc.use"
pkg std =
generic slpop : (sl : @a[:] -> (@a, @a[:]))
;;
generic slpop = {sl
var elt
elt = sl[$ - 1]
sl = slgrow(sl, sl.len - 1)
-> (elt, sl)
}