WhisperCom/libs/json/doc/mkdocs/docs/api/basic_json/begin.md

637 B

basic_json::begin

iterator begin() noexcept;
const_iterator begin() const noexcept;

Returns an iterator to the first element.

Illustration from cppreference.com

Return value

iterator to the first element

Exception safety

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

Complexity

Constant.

Example

??? example

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

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

Output:

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

Version history

  • Added in version 1.0.0.