[#BloombergLP-bdlb-NullableValue-2constructor-0b0]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue]::NullableValue
:relfileprefix: ../../../
:mrdocs:

Create a nullable object having the null value if the specified `original` object is null, and the value of `original.value()` (of `BDE_OTHER_TYPE`) converted to `TYPE` otherwise. If `TYPE` takes an optional allocator at construction, use the currently installed default allocator to supply memory. Note that this method will fail to compile if `TYPE` and `BDE_OTHER_TYPE' are not compatible.

== Synopsis

Declared in `<bdlb_nullablevalue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class BDE_OTHER_TYPE>
explicit
NullableValue(xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue<BDE_OTHER_TYPE>] const& original);
----


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