[#BloombergLP-bdlb-Variant_RawVisitorHelper-operator_call-06e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/Variant_RawVisitorHelper.adoc[Variant_RawVisitorHelper]::operator()
:relfileprefix: ../../../
:mrdocs:

Invoke the functor supplied at construction with the specified `argument`, and return the result. Invoke the wrapped visitor with the specified modifiable `argument`.

== Synopsis

Declared in `<bdlb_variant.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class ARGUMENT_TYPE>
RESULT_TYPE
operator()(ARGUMENT_TYPE& argument);
----


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