function it_can_walk_throught_an_array_modifying_its_values() { $array = [1, 2, 3]; $array = $this->walk($array, function (&$value, $key) { $value += 10; }); if (Not::equalTo([11, 12, 13], $array->getWrappedObject())) { throw new \Exception(); } }
static function unless($condition, \Exception $exception) { self::when(Not::true($condition), $exception); }