ref: ea3250341f4e4d02b0613be9fc228fac0f4c0e40
dir: /libstd/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
}