Skip to content

# nlohmann::json_pointer

    template<typename BasicJsonType>
    class json_pointer;

A JSON pointer defines a string syntax for identifying a specific value within a JSON document. It can be used with functions `at` and `operator[]`. Furthermore, JSON pointers are the base for JSON patches.

## Template parameters

`BasicJsonType`
  a specialization of `basic_json`

## Member functions

- (constructor)
- to_string - return a string representation of the JSON pointer
- operator std::string - return a string representation of the JSON pointer
- operator/= - append to the end of the JSON pointer
- operator/ - create JSON Pointer by appending
- parent_pointer - returns the parent of this JSON pointer
- pop_back - remove last reference token
- back - return last reference token
- push_back - append an unescaped token at the end of the pointer
- empty - return whether pointer points to the root document

## See also

- operator""_json_pointer - user-defined string literal for JSON pointers
- RFC 6901

## Version history

Added in version 2.0.0.

Back to top