[#BloombergLP-bslstl-operator_dec-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::operator‐‐
:relfileprefix: ../../
:mrdocs:

Move the specified `iter` to the previous element in the tree and return the value of `iter` prior to this call. The behavior is undefined unless the iterator refers to the past‐the‐end or the non‐leftmost element in the tree.

== Synopsis

Declared in `<bslstl_treeiterator.h>`

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


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