[#BloombergLP-bdlc-operator_dec-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::operator&hyphen;&hyphen;
:relfileprefix: ../../
:mrdocs:

Post&hyphen;decrement the specified iterator `iter`&period;

== Synopsis

Declared in `&lt;bdlc&lowbar;packedintarray&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class TYPE&gt;
xref:BloombergLP/bdlc/PackedIntArrayConstIterator.adoc[bdlc::PackedIntArrayConstIterator&lt;TYPE&gt;]
operator&hyphen;&hyphen;(
    xref:BloombergLP/bdlc/PackedIntArrayConstIterator.adoc[PackedIntArrayConstIterator&lt;TYPE&gt;]& iter,
    int);
----

== Description

Decrement the specified iterator `iter` to refer to the previous element in the referenced array, and return an iterator referring to the original element (_before_ the decrementation)&period; The returned iterator, `it`, referencing an element within a `PackedIntArray`, `array`, remains valid as long as `0 &lt;&equals; it &hyphen; array&period;begin() &lt;&equals; array&period;length()`&period; The behavior is undefined unless, on entry, `PackedIntArrayConstInterator() !&equals; iter` and `0 &lt; iter &hyphen; array&period;begin()`&period;

== Specializations

[cols="1"]
|===
| Name
| xref:BloombergLP/bdlc/operator_dec-0b.adoc[`operator&hyphen;&hyphen;&lt;&gt;`] 
|===



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