[#BloombergLP-bslalg-DequeIterator-0d-2constructor-08]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/DequeIterator-0d.adoc[DequeIterator]::DequeIterator
:relfileprefix: ../../../
:mrdocs:

Create an iterator to an element within a specified block.

== Synopsis

Declared in `<bslalg_dequeiterator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
DequeIterator(
    xref:BloombergLP/bslalg/DequeIterator-0d.adoc[BlockPtr]* blockPtrPtr,
    VALUE_TYPE* valuePtr);
----

== Description

Create an iterator pointing to the element at the specified `valuePtr` address in the block pointed to by the specified `blockPtrPtr`. The behavior is undefined unless `valuePtr` points into the block `*blockPtrPtr`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *blockPtrPtr*
| address of the block pointer for the element's block
| *valuePtr*
| address of the element within that block
|===


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