[Pyrex] Special methods do not type cast 'self'

[Greg Ewing]

Stefan Behnel wrote:

>         def __add__(self, other):
>             return self._value() + other
> 
> This does not work.

This is not a bug. You need to study what the Special Methods
of Extension Types page has to say about the binary operator
methods.

Briefly, either the first *or* the second argument of __add__
could be self. You need to type-test the arguments to find
out which.

--
Greg