[#BloombergLP-bdlc-Queue-front-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/Queue.adoc[Queue]::front
:relfileprefix: ../../../
:mrdocs:

`front` overloads

== Synopses

Declared in `<bdlc_queue.h>`

Return a reference to the modifiable value at the front of this queue. The reference will remain valid as long as the queue is not destroyed or modified (e.g., via `insert`, `remove`, or `append`). The behavior is undefined if the queue is empty. Note that this function is logically equivalent to: ` operator `


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
T&
xref:BloombergLP/bdlc/Queue/front-02.adoc[front]();
----

[.small]#xref:BloombergLP/bdlc/Queue/front-02.adoc[_» more..._]#

Return a reference to the non‐modifiable element at the front of this queue. The reference will remain valid as long as this queue is not destroyed or modified (e.g., via `insert`, `remove`, or `append`). The behavior is undefined if this queue is empty. Note that this function is logically equivalent to: ` operator `


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
T const&
xref:BloombergLP/bdlc/Queue/front-0a.adoc[front]() const;
----

[.small]#xref:BloombergLP/bdlc/Queue/front-0a.adoc[_» more..._]#


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