[#bsl-unordered_set-0d2d-begin-09]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_set-0d2d.adoc[unordered_set]::begin
:relfileprefix: ../../
:mrdocs:

Return a local iterator providing modifiable access to the first `value_type` object in the sequence of `value_type` objects of the bucket having the specified `index`, in the array of buckets maintained by this set, or the `end(index)` otherwise.

== Synopsis

Declared in `<bslstl_unorderedset.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_set-0d2d/local_iterator.adoc[unordered_set<KEY, HASH, EQUAL, ALLOCATOR>::local_iterator]
begin(xref:bsl/unordered_set-0d2d/size_type.adoc[size_type] index);
----


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