json/api/json_pointer/push_back.md

nlohmann::json_pointer::push_back

void push_back(const string_t& token);

void push_back(string_t&& token);

Append an unescaped token at the end of the reference pointer.

Parameters

token (in)

token to add

Exception safety

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

Complexity

Amortized constant.

Examples

??? example

The example shows the result of `push_back` for different JSON Pointers.
 
```cpp
--8<-- "examples/json_pointer__push_back.cpp"
```

Output:

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

See also

• back return last reference token
• pop_back remove the last reference token
• operator/= append to the end of the JSON pointer
• operator/ create JSON Pointer by appending

Version history

• Added in version 3.6.0.
• Changed type of token to string_t in version 3.11.0.