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From: Tom <tom.primozic@gmail.com>
To: "Diego Olivier FERNANDEZ PONS" <diego.fernandez_pons@etu.upmc.fr>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] More problems with memoization
Date: Sat, 30 Sep 2006 21:26:54 +0200	[thread overview]
Message-ID: <c1490a380609301226sd40339eoffb34da1f752910d@mail.gmail.com> (raw)
In-Reply-To: <c1490a380609301219j252d3210he589212fc68350dc@mail.gmail.com>

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>
>
>
> Well, the problem is, that the ocaml type inference forbids a function to
> return a polymorphic value, so the type of make_mem' is only ('_a -> '_b)
> -> '_a -> '_b. So the right thing to do here (as this type is, obviously,
> incorrect) is to use Obj.magic:



I'm sorry, the OCaml  type inference is correct to infer the type ('_a ->
'_b) -> '_a -> '_b here, but I believe that there can be no error caused
generalizing it.

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  reply	other threads:[~2006-09-30 19:26 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-09-30 18:01 Diego Olivier FERNANDEZ PONS
2006-09-30 19:19 ` [Caml-list] " Tom
2006-09-30 19:26   ` Tom [this message]
2006-10-01  0:23 ` Jon Harrop
2006-10-01  0:51   ` Martin Jambon
2006-10-02 15:29   ` Diego Olivier FERNANDEZ PONS
2006-10-02 23:00     ` Andrej Bauer
2006-10-02 23:04       ` Andrej Bauer
2006-10-03  0:50       ` skaller
2006-10-02 23:37     ` Don Syme

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