From: Dmitri Boulytchev <db@tepkom.ru>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] type abbreviation is cyclic
Date: Wed, 24 Oct 2007 22:01:15 +0000 [thread overview]
Message-ID: <471FC0AB.2020408@tepkom.ru> (raw)
In-Reply-To: <9d3ec8300710241040i618b5f32ka0d7d29e107534ec@mail.gmail.com>
Atleast one value of that type exists :)
let rec x y n = (n (y+1) x) + 1
>Type b doesn't exactly make much sens to me.
>While I could easilly define a value of type b (fun x:int _ -> x ) I
>really don't see the point. I'm gessing you'r trying to pass a chain
>of alternative functions (In which case this seems to be the wrong
>way).
>Could you give an exemple (without using Obj.magic) were you'd
>actually need such a type.
>On 10/24/07, William W Smith <sesquized@sbcglobal.net> wrote:
>
>
>>I wonder whether this error is an example of the language being defined more
>>restrictively than required. What is the reason that I get these results?
>>
>>type a = int -> one -> int and one = Unused | One of a;;
>>type b = int -> b -> int
>>
>>type a is accepted while type b is not. (b gives "The type abbreviation b is
>>cyclic" However, in the uses that I intended, there won't be any actual
>>difference between the two.
>>
>>I'd appreciate an explanation about why there is difference between a and
>>b.
>>
>>Thanks
>>
>>Bill Smith
>>
>>_______________________________________________
>>Caml-list mailing list. Subscription management:
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>>
>>
>>
>>
>
>
>
>
next prev parent reply other threads:[~2007-10-24 18:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-24 17:27 William W Smith
2007-10-24 17:40 ` [Caml-list] " Till Varoquaux
2007-10-24 22:01 ` Dmitri Boulytchev [this message]
2007-10-24 17:44 ` Brian Hurt
2007-10-24 18:09 ` Till Varoquaux
2007-10-24 20:40 ` Jon Harrop
2007-10-25 1:34 ` Dmitri Boulytchev
2007-10-24 21:36 ` Dmitri Boulytchev
2007-10-24 21:38 ` Dmitri Boulytchev
2007-10-25 11:22 William Smith
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