[#nlohmann-basic_json-0e-2constructor-0a8]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-0e.adoc[basic_json<>]::basic_json
:relfileprefix: ../../
:mrdocs:

Constructor

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
basic_json(
    xref:nlohmann/basic_json-00/size_type.adoc[size_type] cnt,
    xref:nlohmann/basic_json-00.adoc[basic_json] const& val);
----

== Parameters

[cols=2]
|===
| Name
| Description
| *cnt*
| The object to construct from
| *val*
| a class to store JSON values
|===


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