[#bitdeque-begin-0b]
= xref:bitdeque.adoc[bitdeque]::begin
:relfileprefix: ../
:mrdocs:

Return a mutable iterator to the first bit.

== Synopsis

Declared in `<util/bitdeque.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bitdeque/iterator-05.adoc[iterator]
begin() noexcept;
----

== Return Value

Iterator to the beginning.


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