[#nlohmann-basic_json-0e-2constructor-0ab]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-0e.adoc[basic&lowbar;json&lt;&gt;]::basic&lowbar;json
:relfileprefix: ../../
:mrdocs:

Construct from `nullptr&lowbar;t`

== Synopsis

Declared in `&lt;nlohmann&sol;json&period;hpp&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
basic&lowbar;json(std::nullptr&lowbar;t value = nullptr) noexcept;
----

== Parameters

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


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