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From: "Richard W.M. Jones" <rich@annexia.org>
To: "Nicolás Ojeda Bär" <nicolas.ojeda.bar@lexifi.com>
Cc: Gabriel Scherer <gabriel.scherer@gmail.com>,
	caml users <caml-list@inria.fr>
Subject: Re: [Caml-list] List of structurally typed objects
Date: Wed, 22 Feb 2017 17:53:20 +0000	[thread overview]
Message-ID: <20170222175320.GH28111@annexia.org> (raw)
In-Reply-To: <CADK7aFOAtvmdA_NjhBuRe4=7ZjUgTXHxgwj5XqLDYwvn5vkjAA@mail.gmail.com>

On Wed, Feb 22, 2017 at 06:43:06PM +0100, Nicolás Ojeda Bär wrote:
> Hi Richard,
> 
> Note that you can still write < hello: string; .. > in the signature of
> register_obj and do the cast before adding your object to the list:
> 
>   let register_obj name obj = objs := (name, (obj :> < hello: string >)) ::
> !objs
> 
> This way you do not need to downcast at each call-site of register_obj.

Indeed, that will make my code simpler too.

Thanks,
Rich.

  reply	other threads:[~2017-02-22 17:53 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-22 17:01 Richard W.M. Jones
2017-02-22 17:09 ` Gabriel Scherer
2017-02-22 17:36   ` Richard W.M. Jones
2017-02-22 17:43     ` Nicolás Ojeda Bär
2017-02-22 17:53       ` Richard W.M. Jones [this message]
2017-02-22 17:28 ` Damien Guichard
2017-02-22 17:38   ` Richard W.M. Jones
2017-02-22 18:08     ` Ivan Gotovchits
2017-02-22 19:04       ` Mikhail Mandrykin
2017-02-22 19:21         ` [Caml-list] Warning for unused variables Aymeric Fromherz
2017-02-22 19:43           ` Gabriel Scherer
2017-02-22 19:59             ` Aymeric Fromherz
2017-02-22 20:01               ` Gabriel Scherer
2017-02-22 20:17                 ` Aymeric Fromherz

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