json/api/basic_json/rbegin.md

nlohmann::basic_json::rbegin

reverse_iterator rbegin() noexcept;
const_reverse_iterator rbegin() const noexcept;

Returns an iterator to the reverse-beginning; that is, the last element.

Return value

reverse iterator to the last element

Exception safety

No-throw guarantee: this member function never throws exceptions.

Complexity

Constant.

Examples

??? example

The following code shows an example for `rbegin()`.

```cpp
--8<-- "examples/rbegin.cpp"
```

Output:

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

See also

• rend returns a reverse iterator to one before the first element
• crbegin returns a const reverse iterator to the last element
• begin returns an iterator to the first element
• Iterators - the article on iterators

Version history

• Added in version 1.0.0.