[#BloombergLP-bslalg-DequeIterator-01-2constructor-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/DequeIterator-01.adoc[DequeIterator&lt;VALUE&lowbar;TYPE, 1&gt;]::DequeIterator
:relfileprefix: ../../../
:mrdocs:

Create an iterator pointing to the first element in the block pointed to by the specified `blockPtrPtr`&period;

== Synopsis

Declared in `&lt;bslalg&lowbar;dequeiterator&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
DequeIterator(BlockPtr* blockPtrPtr);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *blockPtrPtr*
| address of the block pointer for the initial block
|===


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