[#BloombergLP-bdlat-NullableValueUtil-AccessByCategoryAdapter-operator_call]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlat.adoc[bdlat]::xref:BloombergLP/bdlat/NullableValueUtil.adoc[NullableValueUtil]::xref:BloombergLP/bdlat/NullableValueUtil.adoc[AccessByCategoryAdapter]::operator()
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:mrdocs:

Invoke `bdlat_TypeCategoryUtil::accessByCategory` on the specified `value` using the accessor supplied at construction.

== Synopsis

Declared in `<bdlat_nullablevalueutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class VALUE_TYPE>
int
operator()(VALUE_TYPE const& value) const;
----


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