[#beman-optional-operator_not_eq-0d8]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::operator!=
:relfileprefix: ../../
:mrdocs:

Inequality operator

== Synopsis

Declared in `<beman/optional/optional.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    typename U>
constexpr
bool
operator!=(
    xref:beman/optional/optional-03.adoc[optional<T>] const& lhs,
    U const& rhs)
requires detail::optional_ne_rel<T, U>;
----

== Return Value

`true` if the objects are not equal, `false` otherwise

== Parameters

[cols=2]
|===
| Name
| Description
| *lhs*
| The left operand
| *rhs*
| The right operand
|===


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