| Total Complexity | 3 | 
| Total Lines | 37 | 
| Duplicated Lines | 0 % | 
| Coverage | 100% | 
| Changes | 0 | ||
| 1 | <?php | ||
| 5 | trait Immutable | ||
| 6 | { | ||
| 7 | abstract public function createClone(); | ||
| 8 | |||
| 9 | /** | ||
| 10 | * @param int $value | ||
| 11 | * @param string $period | ||
| 12 | * | ||
| 13 | * @return self | ||
| 14 | */ | ||
| 15 | 1 | public function add(int $value, string $period) | |
| 16 |     { | ||
| 17 | 1 | return $this->cloneCall(__FUNCTION__, \func_get_args()); | |
| 18 | } | ||
| 19 | |||
| 20 | /** | ||
| 21 | * @param int $value | ||
| 22 | * @param string $period | ||
| 23 | * | ||
| 24 | * @return self | ||
| 25 | */ | ||
| 26 | 1 | public function subtract(int $value, string $period) | |
| 27 |     { | ||
| 28 | 1 | return $this->cloneCall(__FUNCTION__, \func_get_args()); | |
| 29 | } | ||
| 30 | |||
| 31 | 3 | protected function cloneCall($method, $params = []) | |
| 42 | } | ||
| 43 | } | ||
| 44 |