in-place exponentiation incongruities

Tue Aug 14 03:14:54 EDT 2012

Il giorno domenica 12 agosto 2012 23:53:46 UTC+2, Terry Reedy ha scritto:
>> Are you actually planning to do this, or is this purely theoretical?
>
Yes, I do plan to implement ipow.
>> Not true. Whether the function is coded in Python or C
>> cls.__ipow__(base, exp, mod) # or
>> base.__ipow__(exp, mod)
>>>> > while he would be able to
>> > call the normal version with the third argument.

Yes, that's true. But I find that calling a special-method in that way is *really* ugly. I'd think that the pow built-in function was probably inserted to avoid writing base.__pow__(exp, mod).