def reverse(self):
        r = self[:]
        r.reverse()
        self.clear()
        self.extend(r)
Validate 'allocator' key value.
dataset/ETHPy150Open iamteem/redisco/redisco/containers.py/List.reverse--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/resource.py/_allocator