ref: b88dc2174f25b7ca08a0a7bc42bf981488de54c9
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
}