[#BloombergLP-bdlcc-Deque-tryPushBack-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlcc.adoc[bdlcc]::xref:BloombergLP/bdlcc/Deque.adoc[Deque]::tryPushBack
:relfileprefix: ../../../
:mrdocs:

If the container is not full (see &lcub;`High&hyphen;Water Mark` Feature&rcub;), append the specified move&hyphen;insertable `item` to the back of the container, otherwise leave the container unchanged&period; If the container is modified, `item` is left in a valid but unspecified state, otherwise `item` is unchanged&period; Return 0 if the container was updated and a non&hyphen;zero value otherwise&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
tryPushBack(xref:BloombergLP/bslmf/MovableRef.adoc[bslmf::MovableRef&lt;TYPE&gt;] item);
----


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