ref: c6dc304c9f9bf6e20f0f1b36a961115573e2aecd dir: /lib/std/clear.myr/
use "slfill" pkg std = generic clear : (p : @a# -> void) ;; generic clear = {p : @a# var bp bp = (p : byte#) slfill(bp[:sizeof(@a)], 0) }