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

Return `true` if the specified "nullable" `object` contains a null value, and `false` otherwise.

== Synopsis

Declared in `<bdlat_nullablevaluefunctions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
bool
isNull(TYPE const& object);
----


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