typechecks: just say no! (was Re: Determining Types)

[Alex]

> In yet other places I want to iterate over the fields of a record, as
> in
> 
> for key, value in rec:
> 
> So in __getitem__ I check the type of index, returning getattr(self,
> index) if index is a string and saying
> 
> fieldname=self.__fieldnames__[index]
> return (fieldname, getattr(self, fieldname))
> 
> if index is an integer.

Iterators in python2.2 pretty much fix this problem.

Alex.