json/api/json_pointer/to_string.md

nlohmann::json_pointer::to_string

string_t to_string() const;

Return a string representation of the JSON pointer.

Return value

A string representation of the JSON pointer

Exception safety

Strong exception safety: if an exception occurs, the original value stays intact.

Complexity

Linear in the total length of the reference tokens.

Notes

For each JSON pointer ptr, it holds:

ptr == json_pointer(ptr.to_string());

Examples

??? example

The example shows the result of `to_string`.
 
```cpp
--8<-- "examples/json_pointer__to_string.cpp"
```

Output:

```json
--8<-- "examples/json_pointer__to_string.output"
```

See also

• operator string_t return a string representation of the JSON pointer (deprecated)
• operator<< write a JSON pointer to a stream

Version history

• Since version 2.0.0.
• Changed return type to string_t in version 3.11.0.