[#bsl-basic_string-0ce-at-02]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0ce.adoc[basic&lowbar;string&lt;char16&lowbar;t&gt;]::at
:relfileprefix: ../../
:mrdocs:

Return a reference providing modifiable access to the character at the specified `position` in this string&period; Throw `out&lowbar;of&lowbar;range` if `position &gt;&equals; length()`&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/basic_string-0ce/reference.adoc[reference]
at(xref:bsl/basic_string-0ce/size_type.adoc[size&lowbar;type] position);
----


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