[#beman-optional-optional-06-2constructor-008]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::xref:beman/optional/optional-06.adoc[optional<T&>]::optional
:relfileprefix: ../../../
:mrdocs:

Constructs an empty optional.

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
optional(xref:beman/optional/nullopt_t.adoc[nullopt_t] value) noexcept;
----

== Parameters

[cols=2]
|===
| Name
| Description
| *value*
| The object to construct from
|===


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