ref: 09a34baac6757c7a4c33e3e3c50054acbb1b70bb dir: /lib/std/slpop.myr/
use "types" use "alloc" pkg std = generic slpop : (sl : @a[:]# -> @a) ;; generic slpop = {sl var elt elt = sl#[sl#.len - 1] slgrow(sl, sl#.len - 1) -> elt }