Method out

recipes/Python/578800_FreshFish/recipe-578800.py:29–36

()

    def __call__(self, f):
        def out():
            if time.time() - self.last_time < self.shelf_life:
                res = self.last_result
            else:
                res = f()
                self.last_time = time.time()
                self.last_result = res
            return res
        return out

@FreshFish(2)