func (t ByRunTime) Swap(i, j int) { t[i], t[j] = t[j], t[i] }
func (t ByRunTime) Less(i, j int) bool {
return (t[i].runtime > t[j].runtime) ||
func (t ByRunTime) Swap(i, j int) { t[i], t[j] = t[j], t[i] }
func (t ByRunTime) Less(i, j int) bool {
return (t[i].runtime > t[j].runtime) ||