ref: 2b13a0a743d0dac2d7d18a7a7144deee1a081a85
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 }