[Python-Dev] Slot for __trunc__

[Raymond Hettinger]

[GvR]
> I don't see why. __index__ has a slot because its 
> primary use is to be called from C code, where slots
> add a slight performance advantage.
> __trunc__ doesn't get called from C AFAIK. 

I thought the __trunc__ method only gets called from 
the C code for the trunc() function which is currently
implemented with PyObject_CallMethod(number, "__trunc__", "")
instead of a fast call to a slot.


Raymond