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From: brogoff <brogoff@speakeasy.net>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] "OCaml gives you only monomorphic methods in classes."
Date: Fri, 28 Dec 2007 22:30:48 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.58.0712282223460.10344@shell2.speakeasy.net> (raw)
In-Reply-To: <200712282337.23952.jon@ffconsultancy.com>

On Fri, 28 Dec 2007, Jon Harrop wrote:
> I just read this quote and I do not understand what it means:
>
>   "In particular, the Hindley/Milner style of type inference used in languages
> such as OCaml or Haskell is incompatible with lots of assumptions of OO
> languages. One incompatibility is with overloading. That's why OCaml does not
> let you write + for both integer and floating point addition. Another
> incompatibility is with higher order polymorphism. That's why OCaml gives you
> only monomorphic methods in classes." - Martin Odersky

What's the date that quote was made? It was probably made before
polymorphic methods were added to OCaml from OLabl.

> In what way must methods be monomorphic in OCaml classes?

They don't need to be.  See section 3.11 of "Objects in Caml" of the
manual.

-- Brian


  parent reply	other threads:[~2007-12-29  6:30 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-28 23:37 Jon Harrop
2007-12-28 23:55 ` [Caml-list] " Gordon Henriksen
2007-12-29  0:27   ` Jon Harrop
2007-12-29  1:19     ` Gordon Henriksen
2007-12-29  1:30       ` Jon Harrop
2007-12-31 14:02       ` Kuba Ober
2007-12-29  4:31 ` Dylan William Hardison
2007-12-29  7:09   ` Jon Harrop
2007-12-29  6:30 ` brogoff [this message]
2007-12-29  7:11   ` Jon Harrop
2007-12-29 16:57     ` brogoff
2008-01-08  2:30     ` Jacques Garrigue
2008-01-08  9:42       ` Jon Harrop
2008-01-08 13:45         ` Peng Zang
2008-01-08 17:29         ` brogoff
2008-01-08 21:25         ` Paolo Donadeo

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