[#bsl-Deque_Base-front-01]
= xref:bsl.adoc[bsl]::xref:bsl/Deque_Base.adoc[Deque_Base]::front
:relfileprefix: ../../
:mrdocs:

Return a reference providing non‐modifiable access to the first element in this deque. The behavior is undefined unless this deque is not empty.

== Synopsis

Declared in `<bslstl_deque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/Deque_Base/const_reference.adoc[Deque_Base<VALUE_TYPE>::const_reference]
front() const;
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