ref: a4bcc9067518182c6de7d335c7adc1b4cc2bfb90
dir: /lib/std/hassuffix.myr/
use "sleq.use"
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
}