[#beman-optional-nullopt]
= xref:beman.adoc[beman]::xref:beman/optional.adoc[optional]::nullopt
:relfileprefix: ../../
:mrdocs:

Tag to disengage optional objects&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr xref:beman/optional/nullopt_t.adoc[nullopt&lowbar;t] nullopt = nullopt&lcub;nullopt&lowbar;t&colon;&colon;Tag&colon;&colon;tag&rcub;;
----


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