Code Fragments for Chapter 7
7.2 Item-Item
7.3 Lexicographic-Lexicographic
7.3 Lexicographic-Lexicographic2
7.4 SortedSequencePriorityQueue-SortedSequencePriorityQueue
7.5 HeapTree-HeapTree
7.6 HeapPriorityQueue-HeapPriorityQueue
7.7 HeapPriorityQueue-insertItem
7.7 HeapPriorityQueue-removeMin
7.9 Item2-Item2
7.10 SortedSequencePriorityQueue2-SortedSequencePriorityQueue2a
7.11 SortedSequencePriorityQueue2-SortedSequencePriorityQueue2b
