[Cython] __next__ | not being able to use cpdef

[Jelle Feringa]

>> Out of curiosity, would most of the time be spent on the line "return
>> self.obj[self.i]"? It seems like a __getitem__ call would be much
>> slower than anything else in the class.
>
> Yes, almost certainly.

Hi Aaron, Robert,

Thanks for your response; any suggestion what might be more efficient  
than a __getitem__ call?
Or is this class doomed by design?

Cheers,

-jelle