[#beman-optional-operator_eq-0b0]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::operator==
:relfileprefix: ../../
:mrdocs:

Equality operators

== Synopses

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

Equality operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    typename U>
constexpr
bool
xref:beman/optional/operator_eq-08.adoc[operator==](
    xref:beman/optional/optional-03.adoc[optional<T>] const& lhs,
    xref:beman/optional/optional-03.adoc[optional<U>] const& rhs)
requires detail::optional_eq_rel<T, U>;
----

[.small]#xref:beman/optional/operator_eq-08.adoc[_» more..._]#

Equality operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class T>
constexpr
bool
xref:beman/optional/operator_eq-00.adoc[operator==](
    xref:beman/optional/optional-03.adoc[optional<T>] const& lhs,
    xref:beman/optional/nullopt_t.adoc[nullopt_t] rhs) noexcept;
----

[.small]#xref:beman/optional/operator_eq-00.adoc[_» more..._]#

Equality operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    typename U>
constexpr
bool
xref:beman/optional/operator_eq-09.adoc[operator==](
    xref:beman/optional/optional-03.adoc[optional<T>] const& lhs,
    U const& rhs)
requires detail::optional_eq_rel<T, U>;
----

[.small]#xref:beman/optional/operator_eq-09.adoc[_» more..._]#

Equality operator


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    typename T,
    typename U>
constexpr
bool
xref:beman/optional/operator_eq-0b3.adoc[operator==](
    T const& lhs,
    xref:beman/optional/optional-03.adoc[optional<U>] const& rhs)
requires detail::optional_eq_rel<T, U>;
----

[.small]#xref:beman/optional/operator_eq-0b3.adoc[_» more..._]#


[.small]#Created with https://www.mrdocs.com[MrDocs]#