[#BloombergLP-balb-PerformanceMonitor-ConstIterator-operator_inc-089]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balb.adoc[balb]::xref:BloombergLP/balb/PerformanceMonitor.adoc[PerformanceMonitor]::xref:BloombergLP/balb/PerformanceMonitor/ConstIterator.adoc[ConstIterator]::operator&plus;&plus;
:relfileprefix: ../../../../
:mrdocs:

Advance this iterator and return its previous value&period;

== Synopsis

Declared in `&lt;balb&lowbar;performancemonitor&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/balb/PerformanceMonitor/ConstIterator.adoc[PerformanceMonitor::ConstIterator]
operator&plus;&plus;(int postfix);
----

== Description

Advance this iterator to refer to the next collection of statistics for a monitored pid and return the iterator pointing to the previous modifiable value type&period; If there is no next collection of statistics, this iterator will be set equal to `end()`&period; The behavior of this function is undefined unless this iterator is dereferenceable&period;

== Return Value

copy of this iterator as it was before being advanced

== Parameters

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


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