[#BloombergLP-bdlb-Variant_EqualityTestVisitor-operator_call-0a]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Variant_EqualityTestVisitor.adoc[Variant&lowbar;EqualityTestVisitor]::operator()
:relfileprefix: ../../../
:mrdocs:

Function call operators

== Synopses

Declared in `&lt;bdlb&lowbar;variant&period;h&gt;`

Treat an unset variant as equal to an unset peer&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
xref:BloombergLP/bdlb/Variant_EqualityTestVisitor/operator_call-06.adoc[operator()](xref:BloombergLP/bslmf/Nil.adoc[bslmf::Nil]) const;
----

[.small]#xref:BloombergLP/bdlb/Variant_EqualityTestVisitor/operator_call-06.adoc[_» more&period;&period;&period;_]#

Compare the supplied `value` with the peer buffer and store the result in `d&lowbar;result`&period;


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class TYPE&gt;
void
xref:BloombergLP/bdlb/Variant_EqualityTestVisitor/operator_call-0f.adoc[operator()](TYPE const& value) const;
----

[.small]#xref:BloombergLP/bdlb/Variant_EqualityTestVisitor/operator_call-0f.adoc[_» more&period;&period;&period;_]#


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