From: Jon Harrop <jon@ffconsultancy.com>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] caml: camlp4 revised syntax
Date: Tue, 17 Jul 2007 04:08:27 +0100 [thread overview]
Message-ID: <200707170408.27586.jon@ffconsultancy.com> (raw)
In-Reply-To: <4699FB8A.2020504@menta.net>
On Sunday 15 July 2007 11:48:42 tmp123@menta.net wrote:
> 1) The internal integer coding:
>
> It seems that an integer of value "x" is internally stored like "2x*1" (
> x shift 1 or 1 ). That is a loss of performance, not only when doing
> calculations, but also, by example, when using the integer as index of a
> string character, ... . Usage of native-int doesn't improves the subject.
This is a trade-off, of course. You can use untagged but usually boxed ints in
OCaml via the Int32 module.
> 2) Syntax:
>
> It seems better to use the camlp4 revised syntax than the usual one. The
> reason is, by example, to skip this kind of errors...
Such misunderstandings disappear when you use auto indentation in emacs.
--
Dr Jon D Harrop, Flying Frog Consultancy Ltd.
OCaml for Scientists
http://www.ffconsultancy.com/products/ocaml_for_scientists/?e
next prev parent reply other threads:[~2007-07-17 3:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.7.1184494090.1020.caml-list@yquem.inria.fr>
2007-07-15 10:48 ` tmp123
2007-07-15 11:42 ` unboxed scalars - was [Caml-list] " Basile STARYNKEVITCH
2007-07-15 13:16 ` Gerd Stolpmann
2007-07-15 17:50 ` Christophe Raffalli
2007-07-16 16:40 ` Richard Jones
2007-07-17 3:08 ` Jon Harrop [this message]
2007-07-21 11:31 ` dml tmp123
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