[#BloombergLP-bdlb-NullableValue-2constructor-042]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue]::NullableValue
:relfileprefix: ../../../
:mrdocs:

Create a nullable object that has the value of the specified `original` object and uses the specified `allocator` (e.g., the address of a `bslma::Allocator` object) to supply memory. Note that this constructor will not participate in overload resolution unless `TYPE` is allocator aware.

== Synopsis

Declared in `<bdlb_nullablevalue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
NullableValue(
    xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue] const& original,
    xref:BloombergLP/bdlb/NullableValue/allocator_type.adoc[allocator_type] const& allocator);
----


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