[#BloombergLP-bdlb-operator_not_eq-076]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::operator!=
:relfileprefix: ../../
:mrdocs:

Return whether the nullable reference is not null.

== Synopsis

Declared in `<bdlb_nullablevalueref.h>`

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

== Description

Return `true` if the specified `lhs` is not null, and `false` otherwise.

== Return Value

`true` if the specified `lhs` is not null, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhs*
| nullable reference to test
| *rhs*
| nullopt sentinel
|===


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