[#BloombergLP-bdlat_NullableValueFunctions-bdlat_nullableValueIsNull-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlat_NullableValueFunctions.adoc[bdlat_NullableValueFunctions]::bdlat_nullableValueIsNull
:relfileprefix: ../../
:mrdocs:

Default customization‐point implementation of `isNull` for `bdlb::NullableAllocatedValue`.

== Synopsis

Declared in `<bdlat_nullablevaluefunctions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
bool
bdlat_nullableValueIsNull(xref:BloombergLP/bdlb/NullableAllocatedValue.adoc[bdlb::NullableAllocatedValue<TYPE>] const& object);
----


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