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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prev parent 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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