json/api/json_pointer/parent_pointer.md

nlohmann::json_pointer::parent_pointer

json_pointer parent_pointer() const;

Returns the parent of this JSON pointer.

Return value

Parent of this JSON pointer; in case this JSON pointer is the root, the root itself is returned.

Exception safety

No-throw guarantee: this function never throws exceptions.

Complexity

Linear in the length of the JSON pointer.

Examples

??? 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"
```

See also

• pop_back remove the last reference token
• back return the last reference token

Version history

Added in version 3.6.0.