! @brief access the first element Returns a reference to the first element in the container. For a JSON container `c`, the expression `c.front()` is equivalent to `*c.begin()`. @return In case of a structured type (array or object), a reference to the first element is returned. In case of number, string, boolean, or binary values, a reference to the value is returned.
| 20486 | @since version 1.0.0 |
| 20487 | */ |
| 20488 | reference front() |
| 20489 | { |
| 20490 | return *begin(); |
| 20491 | } |
| 20492 | |
| 20493 | /*! |
| 20494 | @copydoc basic_json::front() |