[#beman-optional-nullopt_t-2constructor]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::xref:beman/optional/nullopt_t.adoc[nullopt&lowbar;t]::nullopt&lowbar;t
:relfileprefix: ../../../
:mrdocs:

Construct a new nullopt&lowbar;t object

== Synopsis

Declared in `&lt;beman&sol;optional&sol;optional&period;hpp&gt;`

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

== Description

constexpr for nullopt&lowbar;t to be literal&period;

== Parameters

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


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