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api/basic_json/out_of_range.md

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+# <small>nlohmann::basic_json::</small>out_of_range
+
+```cpp
+class out_of_range : public exception;
+```
+
+This exception is thrown in case a library function is called on an input parameter that exceeds the expected range, for
+instance, in the case of array indices or nonexisting object keys.
+
+Exceptions have ids 4xx (see [list of out-of-range errors](../../home/exceptions.md#out-of-range)).
+
+```mermaid
+classDiagram
+  direction LR
+  
+    class std_exception ["std::exception"] {
+        <<interface>>
+    }
+
+    class json_exception ["basic_json::exception"] {
+        +const int id
+        +const char* what() const
+    }
+    
+    class json_parse_error ["basic_json::parse_error"] {
+        +const std::size_t byte
+    }
+
+    class json_invalid_iterator ["basic_json::invalid_iterator"]
+    class json_type_error ["basic_json::type_error"]
+    class json_out_of_range ["basic_json::out_of_range"]
+    class json_other_error ["basic_json::other_error"]
+
+    std_exception <|-- json_exception
+    json_exception <|-- json_parse_error
+    json_exception <|-- json_invalid_iterator
+    json_exception <|-- json_type_error
+    json_exception <|-- json_out_of_range
+    json_exception <|-- json_other_error
+
+    style json_out_of_range fill:#CCCCFF
+```
+
+## Member functions
+
+- **what** - returns explanatory string
+
+## Member variables
+
+- **id** - the id of the exception
+
+## Examples
+
+??? example
+
+    The following code shows how a `out_of_range` exception can be caught.
+    
+    ```cpp
+    --8<-- "examples/out_of_range.cpp"
+    ```
+    
+    Output:
+    
+    ```json
+    --8<-- "examples/out_of_range.output"
+    ```
+
+## See also
+
+- [`exception`](exception.md) for the base class of all exceptions thrown by the library
+- [List of out-of-range errors](../../home/exceptions.md#out-of-range)
+- [`parse_error`](parse_error.md) for exceptions indicating a parse error
+- [`invalid_iterator`](invalid_iterator.md) for exceptions indicating errors with iterators
+- [`type_error`](type_error.md) for exceptions indicating executing a member function with a wrong type
+- [`other_error`](other_error.md) for exceptions indicating other library errors
+
+## Version history
+
+- Since version 3.0.0.