@brief access the first element @sa https://json.nlohmann.me/api/basic_json/front/
| 21602 | /// @brief access the first element |
| 21603 | /// @sa https://json.nlohmann.me/api/basic_json/front/ |
| 21604 | reference front() |
| 21605 | { |
| 21606 | return *begin(); |
| 21607 | } |
| 21608 | |
| 21609 | /// @brief access the first element |
| 21610 | /// @sa https://json.nlohmann.me/api/basic_json/front/ |