ref: 3c96292a713f091b96d015aedcf824a7ea82f1cf
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
}