[#bitdeque-emplace_front]
= xref:bitdeque.adoc[bitdeque]::emplace_front
:relfileprefix: ../
:mrdocs:

Prepend an element to the front of the container and return a reference to it.

== Synopsis

Declared in `<util/bitdeque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bitdeque/reference.adoc[reference]
emplace_front(bool val);
----

== Return Value

Reference to the newly prepended bit.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *val*
| Value of the prepended bit.
|===


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