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Re: [Coq-Club] multiple typeclass instance question


Chronological Thread 
  • From: Arnaud Spiwack <aspiwack AT lix.polytechnique.fr>
  • To: Coq Club <coq-club AT inria.fr>
  • Subject: Re: [Coq-Club] multiple typeclass instance question
  • Date: Sun, 13 Mar 2016 10:29:48 +0100
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Possibly. In that case we'd have a much cleaner story for tactics in terms. But this would probably be the only source of backtracking in the pretyper, if I'm not mistaken.

On 12 March 2016 at 13:51, Pierre-Marie Pédrot <pierre-marie.pedrot AT inria.fr> wrote:
On 11/03/2016 21:58, Arnaud Spiwack wrote:
> Of course, for Coq, this is probably unworkable. Pretyping is the most
> sensitive part of Coq and making everything subtly different in
> unpredictable ways is probably not worth the huge effort this would
> represent.

I'm not sure that the pretyper by itself would be difficult to port to
the monad, at least for the pretyping.ml file. This would make it
compatible with the tactic-in-term bactracking. What would be more
difficult would be the unification stuff.

PMP





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