[#BloombergLP-bdlb-NullableValue-operator_assign-07]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue]::operator&equals;
:relfileprefix: ../../../
:mrdocs:

Reset this object to the default constructed state (i&period;e&period;, to have the null value), and return a reference providing modifiable access to this object&period;

== Synopsis

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

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


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