[#bsl-unordered_set-09-begin-01]
= xref:bsl.adoc[bsl]::xref:bsl/unordered_set-09.adoc[unordered&lowbar;set&lt;Attribute, AttributeHash&gt;]::begin
:relfileprefix: ../../
:mrdocs:

`begin` overloads

== Synopses

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

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;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_set-09/iterator.adoc[iterator]
xref:bsl/unordered_set-09/begin-023.adoc[begin]() noexcept;
----

[.small]#xref:bsl/unordered_set-09/begin-023.adoc[_» more&period;&period;&period;_]#

Return an iterator providing non&hyphen;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;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_set-09/const_iterator.adoc[const&lowbar;iterator]
xref:bsl/unordered_set-09/begin-0b.adoc[begin]() const noexcept;
----

[.small]#xref:bsl/unordered_set-09/begin-0b.adoc[_» more&period;&period;&period;_]#

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


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_set-09/local_iterator.adoc[local&lowbar;iterator]
xref:bsl/unordered_set-09/begin-02a.adoc[begin](xref:bsl/unordered_set-09/size_type.adoc[size&lowbar;type] index);
----

[.small]#xref:bsl/unordered_set-09/begin-02a.adoc[_» more&period;&period;&period;_]#

Return a local iterator providing non&hyphen;modifiable access to the first `value&lowbar;type` object (in the sequence of `value&lowbar;type` objects) of the bucket having the specified `index` in the array of buckets maintained by this set, or the `end(index)` otherwise&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/unordered_set-09/const_local_iterator.adoc[const&lowbar;local&lowbar;iterator]
xref:bsl/unordered_set-09/begin-0a.adoc[begin](xref:bsl/unordered_set-09/size_type.adoc[size&lowbar;type] index) const;
----

[.small]#xref:bsl/unordered_set-09/begin-0a.adoc[_» more&period;&period;&period;_]#


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