[plt-scheme] why should black holes be exceptions, rather than divergence?

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Mon May 31 10:01:38 EDT 2010

Perhaps the right conclusion here is that you should not talk to
theorists too much about what behavior is desirable when actually


On Mon, May 31, 2010 at 8:59 AM, Keiko Nakata
<keiko at kurims.kyoto-u.ac.jp> wrote:
>> On Mon, May 31, 2010 at 8:47 AM, Keiko Nakata
>> <keiko at kurims.kyoto-u.ac.jp> wrote:
>> > From: Robby Findler <robby at eecs.northwestern.edu>
>> >
>> >> Errors seem to always be preferable to divergence to me.
>> >
>> > Personally I agree.
>> > But I think this is a strong commitment,
>> > since I can catch errors but I cannot catch divergence!
>> I think you're suggesting that the inability to catch divergence can,
>> in some contexts, be a good thing? Is that right?
> Just that I do not have a definite clue to argue for my preference.
> When I talk about Scheme's behavior to theorists,
> they tend to be a bit surprised.
> It is not that they dislike it, but they often said to me that they have never
> thought of it this way.
> Keiko

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