Move this iterator to the previous element in the tree.

Synopsis

Declared in <bslstl_treeiterator.h>

Description

Move this iterator to the previous element in the tree and return a reference providing modifiable access to this iterator. The behavior is undefined unless the iterator refers to the past‐the‐end address or the non‐leftmost element in the tree.

Return Value

reference providing modifiable access to this iterator

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