ref: a8a5638f3cd024f627ce3fd64aac94fd8fcf9e6f dir: /lib/std/sldup.myr/
use "alloc" use "die" use "slcp" pkg std = generic sldup : (sl : @a[:] -> @a[:]) ;; generic sldup = {sl var ret ret = slalloc(sl.len) slcp(ret, sl) -> ret }