func (t *timestampTracker) AddFast(l labels.Labels, _ uint64, ts int64, v float64) error {
	_, err := t.Add(l, ts, v)
	return err
}
func (t *timestampTracker) AddFast(l labels.Labels, _ uint64, ts int64, v float64) error {
	_, err := t.Add(l, ts, v)
	return err
}
func ( t * timestampTracker ) AddFast ( l labels . Labels , _ uint64 , ts int64 , v float64 ) error { _ , err := t . Add ( l , ts , v ) return err }
// AddFast implements storage.Appender.
AddFast implements storage . Appender .