[#nlohmann-basic_json-00-2constructor-01]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-00.adoc[basic_json]::basic_json
:relfileprefix: ../../
:mrdocs:

////////////////////////////////////

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename JsonRef>
requires detail::conjunction<detail::is_json_ref<JsonRef>,
                                 std::is_same<typename JsonRef::value_type, basic_json>>::value
basic_json(JsonRef const& ref);
----

== Parameters

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


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