| PQueue.__init__(data[, behave]) | Initializes a priority queue. |
| PQueue.add_node(weight, node[, state]) | adds a node with the given weight to the |
| PQueue.get_min() | return the minimum weighted node in the |
| PQueue.get_max() | |
| PQueue.min() | return the minimum weighted node in the |
| PQueue.max() | |
| PQueue.delete_node(node) | delete a node from the priority queue |
| PQueue.decrease_key(weight, node) | decrease the weight of a given |