[#BloombergLP-bdlb-operator_eq-0108]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::operator&equals;&equals;
:relfileprefix: ../../
:mrdocs:

Return `true` if the specified `value` is null, and `false` otherwise&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;nullablevalue&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template&lt;class TYPE&gt;
constexpr
bool
operator&equals;&equals;(
    xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue&lt;TYPE&gt;] const& value,
    xref:bsl/nullopt_t.adoc[bsl::nullopt&lowbar;t] const&) noexcept;
----


[.small]#Created with https://www.mrdocs.com[MrDocs]#
