Method Add

watch.go:21–29

Add appends a watchCh to the WatchSet if non-nil.

(watchCh <-chan struct{})

// Add appends a watchCh to the WatchSet if non-nil.
func (w WatchSet) Add(watchCh <-chan struct{}) {
	if w == nil {
		return
	}

	if _, ok := w[watchCh]; !ok {
		w[watchCh] = struct{}{}
	}
}

// AddWithLimit appends a watchCh to the WatchSet if non-nil, and if the given
// softLimit hasn't been exceeded. Otherwise, it will watch the given alternate