mirror of https://github.com/nlohmann/json.git synced 2025-05-10 00:53:52 +00:00

Florian Albrechtskirchinger 616caea27a

Re-template json_pointer on string type (#3415 )

* Make exception context optional

Change exception context parameter to pointer and replace context with
nullptr where appropriate.

* Support escaping other string types

* Add string concatenation function

Add variadic concat() function for concatenating char *, char, and
string types.

* Replace string concatenations using + with concat()

* Template json_pointer on string type

Change json_pointer from being templated on basic_json to being
templated on string type.

* Add unit test for #3388

Closes #3388.

* Fix regression test for #2958

* Add backwards compatibility with json_pointer<basic_json>

* Update json_pointer docs

* Allow comparing different json_pointers

* Update version numbers

2022-04-12 14:18:16 +02:00

644 B

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nlohmann::json_pointer::back

const string_t& back() const;

Return last reference token.

Return value

Last reference token.

Exceptions

Throws out_of_range.405 if JSON pointer has no parent.

Complexity

Constant.

Examples

??? example

The example shows the usage of `back`.
 
```cpp
--8<-- "examples/json_pointer__back.cpp"
```

Output:

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

Version history

Added in version 3.6.0.
Changed return type to string_t in version 3.11.0.

644 B Raw Blame History