[#BloombergLP-bdlcc-Deque-Proctor-isNull]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/Deque.adoc[Deque]::xref:BloombergLP/bdlcc/Deque/Proctor.adoc[Proctor]::isNull
:relfileprefix: ../../../../
:mrdocs:

Return `true` if this object is not associated with a `Deque` object&period;

== Synopsis

Declared in `&lt;bdlcc&lowbar;deque&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isNull() const;
----

== Return Value

`true` if this proctor is not associated with a `Deque`


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