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From: "Warp" <warplayer@free.fr>
To: "OCaml" <caml-list@inria.fr>
Subject: Re: [Caml-list] Suggestion for overloaded operators
Date: Sun, 10 Feb 2002 14:51:17 +0100	[thread overview]
Message-ID: <00b401c1b23a$03ae0cb0$0700a8c0@warp> (raw)
In-Reply-To: <20020210144020.A29539@osiris.net-nono.com>

> Hello,
>
>   what about polymorphism ?
>
> assume following declarations :
>
> let (:+) x y = x + y
> let (:+) x y = x +. y
>
> we define the overloaded operator :+  (respectively for int and for float)

here, you can't do that because :+ is not an operator.

let int_add_int x y = x + y
let float_add_float x y = x +. y


> what about the following declaration :
>
> let f x y = x :+ y ;;

f : 'a -> 'b -> 'c
and assume that a function called   typea_add_typeb exists and returns a 'c
type.

 > Is f overloaded too ?  f has not the colon symbol !
> Is this declaration forbidden ? why !
>
> I think that overloading is not compatible with type inference  ?

I don't know, but this thread should answer to that question.

Warp

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  reply	other threads:[~2002-02-10 13:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-02-10 13:04 Warp
2002-02-10 13:35 ` Alain Frisch
2002-02-10 13:46   ` Warp
2002-02-10 13:40 ` Bruno Pagano
2002-02-10 13:51   ` Warp [this message]
2002-02-10 17:49 ` Tom
2002-02-11  8:36 ` Francois Pottier

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