code: func (immutable *Immutable) Get(entries ...Entry) Entries {
  	result := make(Entries, 0, len(entries))
  	for _, e := range entries {
  		result = append(result, immutable.get(e))
  	}
  
  	return result
  }
docs: // Get will get the provided Entries from the tree.  If no matching
  // Entry is found, a nil is returned in its place.