ref: ac53b78d88d7f460ada21633fb1dc8ee96b53a36
dir: /lib/std/hassuffix.myr/
use "sleq" pkg std = const hassuffix : (s : byte[:], suff : byte[:] -> bool) ;; const hassuffix = {s, suff var tail if suff.len <= s.len tail = s[s.len - suff.len:] -> sleq(tail, suff) ;; -> false }