[#BloombergLP-bdlb-operator_not_eq-0eb]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::operator!=
:relfileprefix: ../../
:mrdocs:

Return whether `lhs` and `rhs` do not have the same value.

== Synopsis

Declared in `<bdlb_nullablevalueref.h>`

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

== Description

Return `true` if the specified `lhs` and `rhs` objects do not have the same value, and `false` otherwise. A nullable wrappers and a value of some type do not have the same value if either the nullable wrappers is null, or its underlying value does not compare equal to the other value. Note that this function will fail to compile if `LHS_TYPE` and `RHS_TYPE` are not compatible.

== Return Value

`true` if the specified `lhs` and `rhs` objects do not have the same value, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *lhs*
| left‐hand operand
| *rhs*
| right‐hand operand
|===


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