[#BloombergLP-bdlb-NullableValueRef-operator_assign-06c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableValueRef.adoc[NullableValueRef]::operator=
:relfileprefix: ../../../
:mrdocs:

Reset the target to the null value and return this object.

== Synopsis

Declared in `<bdlb_nullablevalueref.h>`

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

== Description

Reset the target to the default constructed state (i.e., to have the null value).

== Return Value

modifiable reference to this object

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rhs*
| nullopt sentinel indicating a null assignment
|===


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