[#nlohmann-basic_json-05-operator_subs-00]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-05.adoc[basic_json<>]::operator[]
:relfileprefix: ../../
:mrdocs:

Subscript operator

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:nlohmann/basic_json-05/reference.adoc[reference]
operator[](object_t::key_type key);
----

== Return Value

the type of an element reference

== Parameters

[cols="1,4"]
|===
|Name|Description

| *key*
| The right operand
|===


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