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From: Wojciech Meyer <wojciech.meyer@googlemail.com>
To: Francois Berenger <berenger@riken.jp>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] How to add a hook to Stream.junk?
Date: Wed, 21 Nov 2012 03:34:56 +0000	[thread overview]
Message-ID: <wfvccztyqn.fsf@gmail.com> (raw)
In-Reply-To: <50AC44E6.1070702@riken.jp> (Francois Berenger's message of "Wed, 21 Nov 2012 12:05:10 +0900")

Francois Berenger <berenger@riken.jp> writes:

> Why the need for module type of and all?
>
> Why not simply:
>
> module MyStream = struct
>   include Stream
>   let junk =
>     failwith "put your code here"
> end;;

Yes you could also do through a functor application.

module MyStream(H : sig val junk_hook : unit -> unit end) = 
struct
  include Stream
  let junk stream =
     H.junk_hook ();
     junk stream
end


--
Wojciech Meyer
http://danmey.org

  reply	other threads:[~2012-11-21  3:34 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-21  1:07 bob zhang
2012-11-21  1:35 ` Wojciech Meyer
2012-11-21  2:58   ` [Caml-list] " bobzhang
2012-11-21  3:37     ` Wojciech Meyer
2012-11-21  3:05   ` [Caml-list] " Francois Berenger
2012-11-21  3:34     ` Wojciech Meyer [this message]
2012-11-21  3:39       ` [Caml-list] " bobzhang
2012-11-21  3:45         ` Wojciech Meyer

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