IntegerType = AtomicType("integer", 0, six.integer_types)
RealType = AtomicType("real", 0.0, REAL_PYTHON_TYPES)
BooleanType = AtomicType("boolean", False, (bool,))
IntegerType = AtomicType("integer", 0, six.integer_types)
RealType = AtomicType("real", 0.0, REAL_PYTHON_TYPES)
BooleanType = AtomicType("boolean", False, (bool,))