Method History

kv.go:939–958

History will return all values for the key.

(key string, opts ...WatchOpt)

// History will return all values for the key.
func (kv *kvs) History(key string, opts ...WatchOpt) ([]KeyValueEntry, error) {
	opts = append(opts, IncludeHistory())
	watcher, err := kv.Watch(key, opts...)
	if err != nil {
		return nil, err
	}
	defer watcher.Stop()

	var entries []KeyValueEntry
	for entry := range watcher.Updates() {
		if entry == nil {
			break
		}
		entries = append(entries, entry)
	}
	if len(entries) == 0 {
		return nil, ErrKeyNotFound
	}
	return entries, nil
}

// Implementation for Watch
type watcher struct {