[#BloombergLP-bslstl-operator_plus-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslstl.adoc[bslstl]::operator&plus;
:relfileprefix: ../../
:mrdocs:

Return the concatenation of the specified `lhs` string ref and the specified `rhs` `std&colon;&colon;basic&lowbar;string` value&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class CHAR&lowbar;TYPE&gt;
xref:bsl/basic_string-0faf.adoc[bsl::basic&lowbar;string&lt;CHAR&lowbar;TYPE&gt;]
operator&plus;(
    xref:BloombergLP/bslstl/StringRefImp-0c.adoc[StringRefImp&lt;CHAR&lowbar;TYPE&gt;] const& lhs,
    std::basic&lowbar;string&lt;CHAR&lowbar;TYPE&gt; const& rhs);
----


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