func (s *Cache) Count() int {
	if s.removeExpired() == raiqub.WriteLocked {
		defer s.Unlock()
	} else {
		defer s.RUnlock()
	}

	return len(s.values)
}
func (s *Cache) Count() int {
	if s.removeExpired() == raiqub.WriteLocked {
		defer s.Unlock()
	} else {
		defer s.RUnlock()
	}

	return len(s.values)
}
// Count gets the number of cached values by current instance.