Iterator

Member Function

Iterator

Constructor

Iterator(index[, vertexDesc])

Iterator(iterator)

Parameters

index	An index object.
vertexDesc	The vertex descriptor of a node the iterator should start in. The iterator starts in the root node by default.
iterator	Another TopDown iterator. (copy constructor) Types: TopDown Iterator, TopDownHistory Iterator

Remarks

If not copy-constructed the TopDown Iterator starts in the root node of the virtual tree.

Note that the virtual tree can either be a virtual suffix tree or a virtual prefix tree. The suffix tree is shown in Figure 1 and is implemented with the IndexDfi, IndexEsa and IndexWotd. In contrast the FMIndex implements a prefix trie shown in Figure 2.

Member of

TopDown Iterator

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