[#BloombergLP-bdlb-NullableAllocatedValue-operator_assign-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableAllocatedValue.adoc[NullableAllocatedValue]::operator&equals;
:relfileprefix: ../../../
:mrdocs:

Reset this object to the default constructed state (i&period;e&period;, to have the null value)&period;

== Synopsis

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

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

== Return Value

reference providing modifiable access to this object

== Parameters

[cols="1,4"]
|===
| Name| Description
| *nullopt*
| disengaged&hyphen;optional tag&semi; value is unused
|===


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