From: Alain Frisch <frisch@clipper.ens.fr>
To: Claudio Russo <crusso@microsoft.com>
Cc: caml-list@inria.fr, kfl@it.edu, sestoft@dina.kvl.dk
Subject: RE: first class modules (was: alternative module systems)
Date: Mon, 8 Jan 2001 13:17:43 +0100 (MET) [thread overview]
Message-ID: <Pine.GSO.4.04.10101081309430.23082-100000@clipper.ens.fr> (raw)
In-Reply-To: <112C6E8A1B25D34BB27D48D2FD2E96CFC9DEC9@TVP-MSG-02.europe.corp.microsoft.com>
On Mon, 8 Jan 2001, Claudio Russo wrote:
> For the record, your simplification based on identity of signature
> identifiers
> is probably ok in practice, but it does
> rule out some examples that involve package types with free type
> variables.
Right. Would it break something to allow named module type with
explicit arguments:
module type 'a ARRAY = sig
type array
val init: 'a -> array
val sub: array -> int -> 'a
val update : array -> int -> 'a -> array
end
?
Then the unification between < (a1,...,ap) S > and < (b1,...,bq) T >
is solved by equating S = T (syntactically), p=q and unifying
a1=b1,...,ap=bp.
--
Alain Frisch
next prev parent reply other threads:[~2001-01-08 17:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-08 10:45 Claudio Russo
2001-01-08 12:17 ` Alain Frisch [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-01-10 10:32 Claudio Russo
2001-01-09 13:36 Claudio Russo
2001-01-08 15:11 Claudio Russo
2001-01-08 14:59 Claudio Russo
2001-01-08 13:48 Claudio Russo
2001-01-07 0:20 Alain Frisch
2001-01-07 23:26 ` Markus Mottl
2001-01-08 10:42 ` Xavier Leroy
2001-01-10 0:40 ` Brian Rogoff
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