[#bsl-optional-072-operator_assign-01]
= xref:bsl.adoc[bsl]::xref:bsl/optional-072.adoc[optional]::operator=
:relfileprefix: ../../
:mrdocs:

Assignment operators

== Synopses

Declared in `<bslstl_optional.h>`

Assign to this object the value of the specified `rhs` object, and return a non‐`const` reference to this object.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional_Base<t_TYPE, t_USES_BSLMA_ALLOC>]&
xref:BloombergLP/bslstl/Optional_Base-05/operator_assign-05.adoc[operator=](xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional_Base] const& rhs);
----

[.small]#xref:BloombergLP/bslstl/Optional_Base-05/operator_assign-05.adoc[_» more..._]#

Assign a new value to this optional.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE>
constexpr
xref:bsl/optional-072.adoc[optional<t_TYPE>]&
xref:bsl/optional-072/operator_assign-08.adoc[operator=](xref:bsl/optional-072.adoc[optional<t_ANY_TYPE>] const& rhs);
----

[.small]#xref:bsl/optional-072/operator_assign-08.adoc[_» more..._]#

Assign a new value to this optional.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
xref:bsl/optional-072.adoc[optional<t_TYPE>]&
xref:bsl/optional-072/operator_assign-09.adoc[operator=](xref:bsl/nullopt_t.adoc[bsl::nullopt_t] nullopt) noexcept;
----

[.small]#xref:bsl/optional-072/operator_assign-09.adoc[_» more..._]#

Assign a new value to this optional.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bslstl/Optional_Base-05.adoc[Optional_Base<t_TYPE, t_USES_BSLMA_ALLOC>]&
xref:BloombergLP/bslstl/Optional_Base-05/operator_assign-08.adoc[operator=](xref:BloombergLP/bslmf/MovableRef.adoc[BloombergLP::bslmf::MovableRef<Optional_Base>] rhs);
----

[.small]#xref:BloombergLP/bslstl/Optional_Base-05/operator_assign-08.adoc[_» more..._]#

Assign a new value to this optional.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE>
constexpr
xref:bsl/optional-072.adoc[optional<t_TYPE>]&
xref:bsl/optional-072/operator_assign-0f.adoc[operator=](xref:BloombergLP/bslmf/MovableRef_Deduced.adoc[BloombergLP::bslmf::MovableRef_Deduced<optional<t_ANY_TYPE>>] rhs);
----

[.small]#xref:bsl/optional-072/operator_assign-0f.adoc[_» more..._]#

Assign a new value to this optional.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE = t_TYPE>
constexpr
xref:bsl/optional-072.adoc[optional<t_TYPE>]&
xref:bsl/optional-072/operator_assign-06.adoc[operator=](std::optional<t_ANY_TYPE> const& rhs);
----

[.small]#xref:bsl/optional-072/operator_assign-06.adoc[_» more..._]#

Assign a new value to this optional.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE = t_TYPE>
constexpr
xref:bsl/optional-072.adoc[optional<t_TYPE>]&
xref:bsl/optional-072/operator_assign-0d.adoc[operator=](t_ANY_TYPE&& rhs);
----

[.small]#xref:bsl/optional-072/operator_assign-0d.adoc[_» more..._]#

Assign a new value to this optional.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_ANY_TYPE = t_TYPE>
constexpr
xref:bsl/optional-072.adoc[optional<t_TYPE>]&
xref:bsl/optional-072/operator_assign-0e.adoc[operator=](std::optional<t_ANY_TYPE>&& rhs);
----

[.small]#xref:bsl/optional-072/operator_assign-0e.adoc[_» more..._]#

== Return Value

reference providing modifiable access to this object

== Parameters

[cols="1,4"]
|===
| Name| Description
| *rhs*
| right‐hand operand
| *nullopt*
| disengaged‐optional tag; value is unused
|===


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