[#BloombergLP-bdlc-Queue-operator_subs-02]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/Queue.adoc[Queue]::operator&lsqb;&rsqb;
:relfileprefix: ../../../
:mrdocs:

Subscript operators

== Synopses

Declared in `&lt;bdlc&lowbar;queue&period;h&gt;`

Return a reference to the modifiable element at the specified `index` position in this queue&period; The reference will remain valid as long as this queue is not destroyed or modified (e&period;g&period;, via `insert`, `remove`, or `append`)&period; The behavior is undefined unless `0 &lt;&equals; index &lt; length()`&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
T&
xref:BloombergLP/bdlc/Queue/operator_subs-0d.adoc[operator&lsqb;&rsqb;](int index);
----

[.small]#xref:BloombergLP/bdlc/Queue/operator_subs-0d.adoc[_» more&period;&period;&period;_]#

Return a reference to the non&hyphen;modifiable element at the specified `index` position in this queue&period; The reference will remain valid as long as this queue is not destroyed or modified (e&period;g&period;, via `insert`, `remove`, or `append`)&period; The behavior is undefined unless `0 &lt;&equals; index &lt; length()`&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
T const&
xref:BloombergLP/bdlc/Queue/operator_subs-00.adoc[operator&lsqb;&rsqb;](int index) const;
----

[.small]#xref:BloombergLP/bdlc/Queue/operator_subs-00.adoc[_» more&period;&period;&period;_]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#
