[#BloombergLP-bslstl-TreeIterator-operator_inc]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::xref:BloombergLP/bslstl/TreeIterator.adoc[TreeIterator]::operator++
:relfileprefix: ../../../
:mrdocs:

Move this iterator to the next element in the tree and return a reference providing modifiable access to this iterator. The behavior is undefined unless the iterator refers to an element in the tree.

== Synopsis

Declared in `<bslstl_treeiterator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bslstl/TreeIterator.adoc[TreeIterator<VALUE, NODE, DIFFERENCE_TYPE>]&
operator++();
----


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