[#BloombergLP-bslstl-operator_inc-0d9]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::operator&plus;&plus;
:relfileprefix: ../../
:mrdocs:

Move the specified `iterator` to the next element and return its prior value&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;hashtablebucketiterator&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;
    class VALUE&lowbar;TYPE,
    class DIFFERENCE&lowbar;TYPE&gt;
xref:BloombergLP/bslstl/HashTableBucketIterator.adoc[HashTableBucketIterator&lt;VALUE&lowbar;TYPE, DIFFERENCE&lowbar;TYPE&gt;]
operator&plus;&plus;(
    xref:BloombergLP/bslstl/HashTableBucketIterator.adoc[HashTableBucketIterator&lt;VALUE&lowbar;TYPE, DIFFERENCE&lowbar;TYPE&gt;]& iterator,
    int postfix);
----

== Description

The behavior is undefined unless `iterator` refers to a valid (not yet erased) element in a bucket&period; Note that `iterator` is invalidated when the underlying hash table is rehashed&period;

== Return Value

copy of `iterator` prior to advancement

== Parameters

[cols="1,4"]
|===
| Name| Description
| *iterator*
| iterator to advance
| *postfix*
| unused parameter distinguishing the postfix operator
|===


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