[#nlohmann-basic_json-0c-is_array]
= xref:nlohmann.adoc[nlohmann]::xref:nlohmann/basic_json-0c.adoc[basic_json]::is_array
:relfileprefix: ../../
:mrdocs:

return whether value is an array

== Synopsis

Declared in `<nlohmann/json.hpp>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
constexpr
bool
is_array() const noexcept;
----

== Return Value

`true` if the value is an array; `false` otherwise


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