From: "Bünzli Daniel" <daniel.buenzli@erratique.ch>
To: Caml Mailing List <caml-list@yquem.inria.fr>
Subject: Re: [Caml-list] The Bridge Pattern in OCaml
Date: Wed, 19 Mar 2008 17:51:34 +0100 [thread overview]
Message-ID: <0A1AD394-2F3B-488E-926B-1839C7C321E6@erratique.ch> (raw)
In-Reply-To: <4a051d930803190929q60d31012kb6c9d2b03a2d2ca6@mail.gmail.com>
Le 19 mars 08 à 17:29, Christopher L Conway a écrit :
> In short, the Bridge Pattern is applicable when a client needs access
> to operations F, G which can be provided by a variety of underlying
> implementations X, Y, or Z. If the specific implementation isn't
> important, you create an interface B (a "bridge") with operations F
> and G, and write both the client and the implementations to the
> interface B. The client should then be able to access X, Y, or Z
> interchangeably, e.g., by taking the implementation as an argument at
> initialization.
You need existential types. They can be encoded in ocaml, see here [1]
the abstract counter datatype that does just what you describe above.
Best,
Daniel
[1] http://caml.inria.fr/pub/ml-archives/caml-list/2004/01/52732867110697f55650778d883ae5e9.en.html
next prev parent reply other threads:[~2008-03-19 16:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-19 16:29 Christopher L Conway
2008-03-19 16:51 ` Bünzli Daniel [this message]
2008-03-19 17:44 ` [Caml-list] " Christopher L Conway
2008-03-19 18:06 ` Christopher L Conway
2008-03-20 2:07 ` Yaron Minsky
2008-03-20 13:27 ` Martin Jambon
2008-03-20 20:10 ` Christophe Raffalli
2008-03-28 10:44 ` Jim Farrand
2008-03-28 11:06 ` Michael Wohlwend
2008-03-28 11:29 ` Jim Farrand
2008-03-28 11:57 ` Oliver Bandel
2008-03-28 11:30 ` Oliver Bandel
2008-03-28 11:45 ` Jim Farrand
2008-03-28 11:52 ` Michael Wohlwend
2008-03-28 12:09 ` Oliver Bandel
2008-03-28 12:43 ` Jim Farrand
2008-03-28 18:23 ` Raoul Duke
2008-03-28 18:29 ` Robert Fischer
2008-03-28 18:34 ` David Thomas
2008-03-28 19:14 ` blue storm
2008-03-28 19:04 ` Oliver Bandel
2008-03-28 19:05 ` Mathias Kende
2008-03-28 19:47 ` Jon Harrop
2008-03-28 23:24 ` Oliver Bandel
2008-03-31 8:31 ` Berke Durak
2008-03-29 14:03 ` Peng Zang
2008-03-28 12:03 ` Oliver Bandel
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