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

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

== Synopsis

Declared in `<bdlb_nullablevalue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue<TYPE>]&
operator=(xref:bsl/nullopt_t.adoc[bsl::nullopt_t] const&) noexcept;
----


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