[#BloombergLP-bdlat-NullableValueUtil-ManipulateByCategoryAdapter-operator_call] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlat.adoc[bdlat]::xref:BloombergLP/bdlat/NullableValueUtil.adoc[NullableValueUtil]::xref:BloombergLP/bdlat/NullableValueUtil.adoc[ManipulateByCategoryAdapter]::operator() :relfileprefix: ../../../../ :mrdocs: Invoke the adapted manipulator on the specified `value` using category dispatch. Return the value from the manipulator invocation. == Synopsis Declared in `<bdlat_nullablevalueutil.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- template<class VALUE_TYPE> int operator()(VALUE_TYPE* value) const; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#