}
		s = s[n:]
	}
	if len(s) == 0 {
		// This is what we've historically done.
		return nil
	}
	return s
}

// TrimRight returns a subslice of s by slicing off all trailing
// UTF-8-encoded code points that are contained in cutset.
func TrimRight(s []byte, cutset string) []byte {
	if len(s) == 0 || cutset == "" {
		return s
	}
	if len(cutset) == 1 && cutset[0] < utf8.RuneSelf {