[#bsl-basic_string-0faf-operator_plus_eq-0e]
= xref:bsl.adoc[bsl]::xref:bsl/basic_string-0faf.adoc[basic&lowbar;string]::operator&plus;&equals;
:relfileprefix: ../../
:mrdocs:

Append the specified `rhs` string to this string, and return a reference providing modifiable access to this string&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/basic_string-0faf.adoc[basic&lowbar;string]&
operator&plus;&equals;(xref:bsl/basic_string-0faf.adoc[basic&lowbar;string] const& rhs);
----

== Return Value

reference providing modifiable access to this string

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rhs*
| right&hyphen;hand operand
|===


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