Thoughts on PEP284

[Gerrit Holl]

Alex Martelli wrote:
> >> Also, one extra feature is that the loop can be infinite (which range
> >> and xrange cannot achieve)...
> >>
> >>   for i in int [0:] :
> 
> No way, Jose -- now THAT would break things (in admittedly rare
> cases -- a method expecting a list and NOT providing an upper bound
> in the slicing).  I'd vote for this to be like int[0:sys.maxint+1]
> (i.e., last item returned is sys.maxint).

This one breaks the int/long unification. In an ideal unification
of ints and longs, sys.maxint would not exist any more, and the
upper bound would be seemingly random.

Gerrit.

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