[#BloombergLP-bdlb-NullableValue-valueOr-0e]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableValue.adoc[NullableValue]::valueOr
:relfileprefix: ../../../
:mrdocs:

Return the contained value, or `value` if this object is null.

== Synopsis

Declared in `<bdlb_nullablevalue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
TYPE
valueOr(TYPE const& value) const;
----

== Description

Return the value of the underlying object of a (template parameter) `TYPE` if this object is non‐null, and the specified `value` otherwise. Note that this method returns _by_ _value_, so may be inefficient in some contexts.

== Return Value

the contained value if non‐null, and the specified `value` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value*
| fallback value returned when this object is null
|===


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