[#nlohmann-basic_json-00-front-07]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-00.adoc[basic_json]::front
:relfileprefix: ../../
:mrdocs:

access the first element

== Synopsis

Declared in `<nlohmann/json.hpp>`

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

== Return Value

the type of an element const reference


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