Modifying Class Object

Benjamin Kaplan benjamin.kaplan at case.edu
Sun Feb 14 01:56:16 CET 2010


On Sat, Feb 13, 2010 at 7:50 PM, Alf P. Steinbach <alfps at start.no> wrote:
>
> At this point consider whether it's possible to implement Pascal in Haskell.
>
> If it is possible, then you have a problem wrt. drawing conclusions about
> pointers in Pascal, uh oh, they apparently can't exist.
>
> But if it is not possible to implement Pascal in Haskell, then Haskell must
> be some etremely limited special-purpose language, not Turing complete  --
>  is that acceptable to you?
> <quote>
>

You're actually just proving his point here. It doesn't matter what
model Haskell uses, a version of Pascal implemented in Haskell has
pointers. Likewise, regardless of what model the implementation of
Python uses, Python itself doesn't have pointers, it has objects and
names.



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