Method __add__

Lib/test/test_enum.py:2113–2121

(self, other)

            # for simplicity, we only define one operator that
            # propagates expressions
            def __add__(self, other):
                temp = int(self) + int( other)
                if isinstance(self, NamedInt) and isinstance(other, NamedInt):
                    return NamedInt(
                        '({0} + {1})'.format(self.__name__, other.__name__),
                        temp,
                        )
                else:
                    return temp

        class NEI(NamedInt, Enum):
            __qualname__ = 'NEI'      # needed for pickle protocol 4