From: Alain Frisch <frisch@clipper.ens.fr>
To: Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp>
Cc: <pixel@mandrakesoft.com>, <caml-list@inria.fr>
Subject: Re: [Caml-list] [Q]: Co(ntra)variance and subtyping?
Date: Mon, 19 Nov 2001 12:03:06 +0100 (MET) [thread overview]
Message-ID: <Pine.GSO.4.33.0111191154580.25287-100000@clipper.ens.fr> (raw)
In-Reply-To: <20011119093329G.garrigue@kurims.kyoto-u.ac.jp>
On Mon, 19 Nov 2001, Jacques Garrigue wrote:
> In the ML world, we mean complete type inference.
What does complete type inference mean ? I would say that it implies
that no type annotation is mandatory (if a program typechecks with a type
annotation, it should also typecheck without). This property does not hold
in OCaml; you can't remove type annotation in:
class o = object method f (x : int) = x end
or in the toplevel structure:
let f () : [`A] = `A
let x = f ()
--
Alain
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next prev parent reply other threads:[~2001-11-19 11:03 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-16 19:37 Clemens Hintze
2001-11-17 14:18 ` Mark Wotton
2001-11-17 14:55 ` Mark Wotton
2001-11-17 17:50 ` [Caml-list] " Clemens Hintze
2001-11-17 23:17 ` Mark Wotton
2001-11-18 9:16 ` Clemens Hintze
2001-11-18 13:18 ` Alain Frisch
2001-11-19 9:54 ` Remi VANICAT
[not found] ` <9t7v4d$gij$1@qrnik.zagroda>
2001-11-18 11:57 ` Marcin 'Qrczak' Kowalczyk
2001-11-18 13:34 ` [Caml-list] " Andreas Rossberg
2001-11-18 21:22 ` Pixel
2001-11-19 0:33 ` Jacques Garrigue
2001-11-18 22:35 ` David Gurr
2001-11-19 7:24 ` [Caml-list] " Clemens Hintze
2001-11-19 12:03 ` Markus Mottl
2001-11-19 8:29 ` [Caml-list] " Xavier Leroy
2001-11-19 11:03 ` Alain Frisch [this message]
2001-11-20 9:58 ` Didier Remy
2001-11-19 11:14 ` Pixel
2001-11-18 22:30 ` [Caml-list] Re: variance, subtyping and monads... oh, my! james woodyatt
2001-11-19 8:11 ` Francois Pottier
2001-11-19 9:02 ` james woodyatt
2001-11-19 9:58 ` Markus Mottl
2001-11-19 20:47 ` james woodyatt
2001-11-19 12:56 ` Frank Atanassow
2001-11-19 10:39 ` Andreas Rossberg
2001-11-19 12:21 ` Markus Mottl
2001-11-19 13:43 ` [Caml-list] Kylix and OCaml Christophe Raffalli
2001-11-20 2:05 ` Vitaly Lugovsky
2001-11-20 8:51 ` Christophe Raffalli
2001-11-22 1:42 ` Vitaly Lugovsky
2001-11-20 10:00 ` Benjamin Monate
2001-11-20 10:24 ` [Caml-list] [Bug in an interface between C++ and OCAML due to some pointer encapsulation] Sylvain Kerjean
2001-11-20 12:14 ` [Caml-list] Kylix and OCaml Maxence Guesdon
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