From: Florian Hars <hars@bik-gmbh.de>
To: Vasile Rotaru <vrotaru@seznam.cz>
Cc: William Lovas <wlovas@stwing.upenn.edu>, caml-list@inria.fr
Subject: Re: fancy types (was Re: [Caml-list] ocaml killer)
Date: Mon, 02 Feb 2004 12:08:24 +0100 [thread overview]
Message-ID: <401E2FA8.3090207@bik-gmbh.de> (raw)
In-Reply-To: <20040201031108.4c47b181.vrotaru@seznam.cz>
Vasile Rotaru wrote:
> The difference between the two versions are in those two calls
>
> (id specialist/..) ; obviously a nop
> and
> (makeblock 0 specialist/..) ; ???
>
> Comments about whether (makeblock 0 ..) is a special case which can be
> optimized away are welcome.
Try
let do_rec (S specialist as spec) n =
if n = 0 then
1
else
n * specialist spec n
instead, and the code becomes a simple spec/..
Isn't it a standard idiom to pass the same cons cell on recursive calls instead
of rebuilding an otherwise identical copy?
Yours, Florian Hars.
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next prev parent reply other threads:[~2004-02-02 11:08 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-27 6:32 [Caml-list] ocaml killer Alexander Epifanov
2004-01-27 8:56 ` Alex Baretta
2004-01-27 9:43 ` Alexander Epifanov
2004-01-27 18:32 ` Shawn Wagner
2004-01-28 4:38 ` skaller
2004-01-28 5:30 ` james woodyatt
[not found] ` <40168498.6070708@tfb.com>
2004-01-27 19:10 ` Alex Baretta
2004-01-28 13:29 ` David Fox
2004-01-28 15:12 ` Eray Ozkural
2004-01-27 9:41 ` Alexander Danilov
2004-01-27 9:57 ` Alexander Epifanov
2004-01-27 16:43 ` Eric Stokes
2004-01-27 18:19 ` David Fox
2004-01-27 18:47 ` Richard Jones
2004-01-27 19:29 ` Eric Stokes
2004-01-28 13:30 ` Eray Ozkural
2004-01-28 23:26 ` Chet Murthy
2004-01-28 23:47 ` Martin Berger
2004-01-29 0:00 ` Chet Murthy
2004-01-29 0:04 ` Chet Murthy
2004-01-29 0:11 ` Martin Berger
2004-01-29 0:34 ` Chet Murthy
2004-01-29 0:47 ` [Caml-list] ocaml killer' Matt Gushee
2004-01-29 8:52 ` [Caml-list] ocaml killer Thomas Fischbacher
2004-01-29 16:20 ` fancy types (was Re: [Caml-list] ocaml killer) William Lovas
2004-01-29 17:13 ` james woodyatt
2004-01-29 17:26 ` Benedikt Grundmann
2004-01-29 17:17 ` Thomas Fischbacher
2004-01-29 17:41 ` Andreas Rossberg
2004-01-29 19:18 ` William Lovas
2004-01-30 10:36 ` Thomas Fischbacher
2004-01-31 3:39 ` William Lovas
2004-02-01 2:11 ` Vasile Rotaru
2004-02-02 11:08 ` Florian Hars [this message]
2004-01-29 18:33 ` Alex Baretta
2004-01-29 17:53 ` [Caml-list] ocaml killer skaller
2004-01-29 5:20 ` Brian Hurt
2004-01-29 6:36 ` Alexander Epifanov
2004-01-29 8:53 ` [Caml-list] ocaml and concurrency james woodyatt
2004-01-29 9:46 ` Vitaly Lugovsky
2004-01-29 10:37 ` Martin Berger
2004-01-29 11:51 ` Michael Hicks
2004-01-29 12:20 ` Alex Baretta
2004-01-29 12:43 ` Martin Berger
2004-01-29 15:42 ` Vitaly Lugovsky
2004-01-29 16:11 ` Martin Berger
2004-01-29 16:56 ` Andreas Rossberg
2004-01-29 17:19 ` james woodyatt
2004-01-29 17:43 ` Martin Berger
2004-01-29 17:54 ` Andreas Rossberg
2004-01-29 18:08 ` Martin Berger
2004-01-30 0:19 ` Lauri Alanko
2004-01-29 19:37 ` skaller
2004-01-30 0:05 ` Martin Berger
2004-01-30 6:52 ` Brian Hurt
2004-01-30 8:53 ` Issac Trotts
2004-01-30 20:45 ` skaller
2004-01-31 6:29 ` Brian Hurt
2004-01-30 20:12 ` skaller
2004-01-29 18:35 ` skaller
2004-01-29 9:56 ` Alex Baretta
2004-01-29 18:26 ` skaller
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