def __init__(self, type=None, content=None, name=None):
        if type is not None:
            assert 0 <= type < 256, type
        if content is not None:
            assert isinstance(content, basestring), repr(content)
        self.type = type
        self.content = content
        self.name = name
Test creation of an R object with parameters.
dataset/ETHPy150Open ctxis/canape/CANAPE.Scripting/Lib/lib2to3/pytree.py/LeafPattern.__init__--crossover with--dataset/ETHPy150Open bradmontgomery/django-redis-metrics/redis_metrics/tests/test_models.py/TestR.test__init__