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From: Alessandro Baretta <alex@baretta.com>
To: brogoff@speakeasy.net
Cc: Ocaml <caml-list@inria.fr>
Subject: Re: [Caml-list] Polymorphic methods and ellipsis
Date: Tue, 24 Sep 2002 11:04:09 +0200	[thread overview]
Message-ID: <3D902A89.5080509@baretta.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0209221005280.6071-100000@grace.speakeasy.net>



brogoff@speakeasy.net wrote:
> On Sun, 22 Sep 2002, Alessandro Baretta wrote:
> 
>>Let me suggest another idea where you might better spend 
>>your time. I can write
>> > let f x : 'a -> 'a = x
> 
> 
> Does this do what you think it does? What is the type of f?
> 
> Incidentally, I'd prefer some form of separate, forward type declaration.
> 
> -- Brian
> 
> 

Nope. Right, the colon-type-equals construct is for the 
definition of the return type, as opposed the actual type of 
f. Let me then rework my suggestion as

method f (x:'a) : 'a.'a = x

which is now actually equivalent to

let f (x:'a) : 'a = x

Alex

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      reply	other threads:[~2002-09-24  8:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-21  0:26 Alessandro Baretta
2002-09-21  0:31 ` Pixel
2002-09-21  8:35   ` Alessandro Baretta
2002-09-22  9:07     ` Jacques Garrigue
2002-09-22  9:39       ` Alessandro Baretta
2002-09-22 17:09         ` brogoff
2002-09-24  9:04           ` Alessandro Baretta [this message]

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