[#bsl-unordered_set-0d2d-begin-07]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_set-0d2d.adoc[unordered&lowbar;set]::begin
:relfileprefix: ../../
:mrdocs:

Return an iterator to the first element of this set&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;unorderedset&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_set-0d2d/iterator.adoc[unordered&lowbar;set&lt;KEY, HASH, EQUAL, ALLOCATOR&gt;::iterator]
begin() noexcept;
----

== Description

Return an iterator providing modifiable access to the first `value&lowbar;type` object (in the sequence of `value&lowbar;type` objects) maintained by this set, or the `end` iterator if this set is empty&period;

== Return Value

iterator to the first element, or `end()` if empty


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