[#nlohmann-basic_json-00-operator_subs-0102]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-00.adoc[basic_json]::operator[]
:relfileprefix: ../../
:mrdocs:

access specified array element

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:nlohmann/basic_json-00/reference.adoc[reference]
operator[](xref:nlohmann/basic_json-00/size_type.adoc[size_type] idx);
----

== Return Value

the type of an element reference

== Parameters

[cols=2]
|===
| Name
| Description
| *idx*
| The right operand
|===


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