Function NewSnapshotWrapper

wrap.go:27–33

NewSnapshotWrapper creates a wrapper which provides ref-counting around a snapshot. The snapshot (and an optional io.Closer) will be closed when the ref-count reaches zero.

(ss Snapshot, closer io.Closer)

// around a snapshot.  The snapshot (and an optional io.Closer) will
// be closed when the ref-count reaches zero.
func NewSnapshotWrapper(ss Snapshot, closer io.Closer) *SnapshotWrapper {
	if ss == nil {
		return nil
	}

	return &SnapshotWrapper{refCount: 1, ss: ss, closer: closer}
}

func (w *SnapshotWrapper) addRef() *SnapshotWrapper {
	if w != nil {