code: func (t *Timer) Get(name string) *Counter {
  	if c, exist := t.routes[name]; exist {
  		return c
  	}
  	t.mux.Lock()
  	defer t.mux.Unlock()
  	// could be a race so check again
  	// could loose som small data but good not to
  	if c, exist := t.routes[name]; exist {
  		return c
  	}
  	t.routes[name] = &Counter{}
  	t.routes[name].Min = 1<<63 - 1
  	return t.routes[name]
  }
docs: // Get returns a Counter for a route.
  // If there is no entry it will create a new one.
  // It will lock during creation