From: Jean-Christophe Filliatre <Jean-Christophe.Filliatre@lri.fr>
To: Pierre Weis <pierre.weis@inria.fr>
Cc: basile.starynkevitch@inria.fr, caml-list@inria.fr
Subject: Re: [Caml-list] kprintf with user formatters
Date: Mon, 19 Jul 2004 11:32:03 +0200 [thread overview]
Message-ID: <16635.38163.336866.609237@gargle.gargle.HOWL> (raw)
In-Reply-To: <200407190917.LAA13543@pauillac.inria.fr>
Pierre Weis writes:
>
> This does not solve the problem of evaluating the argument(s) of the logging
> application. Consider the example I gave:
>
> > log 2 (fun () ->
> > eprintf "Argument 1 is hard to compute %d\n" (ackermann x x))
>
> Your solution would lead to
>
> if_debug2 eprintf "Argument 1 is hard to compute %d\n" (ackermann x x)
>
> which wastes is too much computing power when the debug turn out to be
> off.
This is indeed right, in the general case. However the way I use it,
all the computation is always within a function being the first
argument of a printf %a, and thus not evaluated (as in the print_tree
example I gave).
--
Jean-Christophe
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next prev parent reply other threads:[~2004-07-19 9:32 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-30 16:32 Damien
2004-07-14 21:10 ` Pierre Weis
2004-07-15 0:17 ` Markus Mottl
2004-07-15 7:30 ` David MENTRE
2004-07-15 7:59 ` Jean-Christophe Filliatre
2004-07-15 23:35 ` henri dubois-ferriere
2004-07-15 7:39 ` Damien
2004-07-15 12:19 ` Markus Mottl
2004-07-15 12:42 ` Basile Starynkevitch [local]
2004-07-15 13:45 ` Markus Mottl
2004-07-15 14:22 ` Basile Starynkevitch [local]
2004-07-15 14:57 ` Markus Mottl
2004-07-16 6:47 ` Pierre Weis
2004-07-16 7:13 ` Jean-Christophe Filliatre
2004-07-16 7:23 ` henri dubois-ferriere
2004-07-16 7:44 ` Jean-Christophe Filliatre
2004-07-16 17:56 ` Markus Mottl
2004-07-19 9:17 ` Pierre Weis
2004-07-19 9:32 ` Jean-Christophe Filliatre [this message]
2004-07-16 7:21 ` henri dubois-ferriere
2004-07-16 17:44 ` Markus Mottl
2004-07-19 10:10 ` Pierre Weis
2004-07-19 10:43 ` Jon Harrop
2004-07-21 15:52 ` Pierre Weis
2004-07-21 17:43 ` lazyness in ocaml (was : [Caml-list] kprintf with user formatters) Daniel Bünzli
2004-07-22 16:28 ` Pierre Weis
2004-07-22 17:03 ` William Lovas
2004-07-22 23:00 ` skaller
2004-07-23 3:32 ` William Lovas
2004-07-28 7:26 ` Pierre Weis
2004-07-28 8:06 ` skaller
2004-07-28 8:29 ` Daniel Bünzli
2004-07-28 9:13 ` Pierre Weis
2004-07-28 9:36 ` skaller
2004-07-28 9:38 ` skaller
2004-07-28 10:17 ` Jason Smith
2004-07-28 12:31 ` skaller
2004-07-21 20:41 ` [Caml-list] kprintf with user formatters Jon Harrop
2004-07-22 15:39 ` Pierre Weis
2004-07-22 22:16 ` [Caml-list] lazy evaluation: [Was: kprintf with user formatters] skaller
2004-07-22 22:42 ` [Caml-list] kprintf with user formatters skaller
2004-07-22 8:05 ` [Caml-list] wait instruction lehalle@miriad
2004-07-22 8:40 ` Olivier Andrieu
2004-07-22 10:35 ` lehalle@miriad
2004-07-22 10:33 ` Vitaly Lugovsky
2004-07-16 6:17 ` [Caml-list] kprintf with user formatters Pierre Weis
2004-07-16 17:14 ` Markus Mottl
2004-07-19 10:00 ` Pierre Weis
2004-07-16 6:02 ` Pierre Weis
2004-07-16 8:42 ` Damien
2004-07-19 9:00 ` Pierre Weis
2004-07-16 16:52 ` Markus Mottl
2004-07-19 9:28 ` Pierre Weis
2004-07-15 22:20 ` Pierre Weis
2004-07-15 23:01 ` Markus Mottl
2004-07-16 16:17 ` james woodyatt
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