Function
parentEdgeLabel
Returns a substring representing the edge from an iterator node to its parent.
parentEdgeLabel(iterator)
Parameters
iterator
An iterator of a Suffix Tree.
Return Values
An InfixSegment of the text of an index (see ESA_Text). If iterator's container type is TIndex the return type is Infix<Fibre<TIndex, ESA_Text>::Type const>::Type.
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