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+```cpp
+bool is_array() const;
+```
+
+## Description
+
+Returns whether JSON container has type array.
+
+## Parameters
+
+None.
+
+## Return value
+
+`true` of value type is array, `false` otherwise.
+
+## Complexity
+
+Constant.
+
+## Exceptions
+
+None. The function's noexcept-specification is `noexcept`.
+
+## See also
+
+- [**is_null**](https://github.com/nlohmann/json/wiki/nlohmann::basicjson::is_null)<br>
+  whether value is null
+- [**is_boolean**](https://github.com/nlohmann/json/wiki/nlohmann::basicjson::is_boolean)<br>
+  whether value is boolean
+- [**is_number**](https://github.com/nlohmann/json/wiki/nlohmann::basicjson::is_number)<br>
+  whether value is number
+- [**is_object**](https://github.com/nlohmann/json/wiki/nlohmann::basicjson::is_object)<br>
+  whether value is object
+- [**is_string**](https://github.com/nlohmann/json/wiki/nlohmann::basicjson::is_string)<br>
+  whether value is string