[#BloombergLP-bslalg-DequeIterator-0d-operator_dec]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/DequeIterator-0d.adoc[DequeIterator]::operator‐‐
:relfileprefix: ../../../
:mrdocs:

Decrement this iterator to the previous element in the deque.

== Synopsis

Declared in `<bslalg_dequeiterator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
operator‐‐();
----

== Description

Decrement this iterator to point to the previous element in the corresponding deque (i.e., the element preceding the current one in the same block or, if the current element is the first one in the block, the last element in the previous block).


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