A container for Labels at a specific stop that maintains a Pareto frontier. Only keeps labels that are not dominated by any other label in the bag.
Attempts to add a label to the bag.
True if the label was added (it was non-dominated), False otherwise.
Checks if the bag is empty.
Merges another bag's labels into this one.
True if the merge resulted in any changes to this bag.
A container for Labels at a specific stop that maintains a Pareto frontier. Only keeps labels that are not dominated by any other label in the bag.