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From: David Teller <David.Teller@univ-orleans.fr>
To: Dawid Toton <dawid.toton@uj.edu.pl>
Cc: Caml List <caml-list@inria.fr>
Subject: Re: [Caml-list] Fine-grained types with more general library
Date: Sun, 10 Feb 2008 20:22:50 +0100	[thread overview]
Message-ID: <1202671370.6278.11.camel@Blefuscu> (raw)
In-Reply-To: <47AF4B6E.3070306@uj.edu.pl>

I'm not sure I understand the question. Still, if you haven't used
phantom types yet, it sounds like the right thing to do:
 type 'a path = string list
 type remote_t = Remote path
 type local_t  = Local path

Now, you can write things such as

val print_local : Local path  -> unit  (*only works on local paths*)
val print_remote: Remote path -> unit  (*only works on remote paths*)
val print_any   : 'a path     -> unit  (*works with either*)

Does this help you ?

Cheers,
 David

-- 
David Teller
 Security of Distributed Systems
  http://www.univ-orleans.fr/lifo/Members/David.Teller
 Angry researcher: French Universities need reforms, but the LRU act
brings liquidations. 


      parent reply	other threads:[~2008-02-10 19:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-10 19:07 Dawid Toton
2008-02-10 19:15 ` [Caml-list] " Edgar Friendly
2008-02-10 19:20   ` Bünzli Daniel
2008-02-10 19:56   ` Dawid Toton
2008-02-10 19:22 ` David Teller [this message]

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