code: func (asw *actualStateOfWorld) DeleteSnapshot(snapshotName string) error {
  	asw.Lock()
  	defer asw.Unlock()
  
  	glog.Infof("Deleting snapshot from actual state of world: %s", snapshotName)
  	delete(asw.snapshots, snapshotName)
  	return nil
  }
docs: // Removes the snapshot from the list of existing snapshots.