json_pointer parent_pointer() const;Returns the parent of this JSON pointer.
Parent of this JSON pointer; in case this JSON pointer is the root, the root itself is returned.
Linear in the length of the JSON pointer.
??? example
The example shows the result of `parent_pointer` for different JSON Pointers.
```cpp
--8<-- "examples/json_pointer__parent_pointer.cpp"
```
Output:
```json
--8<-- "examples/json_pointer__parent_pointer.output"
```
Added in version 3.6.0.