From: skaller <skaller@users.sourceforge.net>
To: Jon Harrop <jon@ffconsultancy.com>
Cc: Caml List <caml-list@inria.fr>
Subject: Re: [Caml-list] let int = ?([' ' '\t'] '-') digits+
Date: Sat, 30 Jun 2007 04:29:29 +1000 [thread overview]
Message-ID: <1183141769.5305.22.camel@rosella.wigram> (raw)
In-Reply-To: <200706291639.39529.jon@ffconsultancy.com>
On Fri, 2007-06-29 at 16:39 +0100, Jon Harrop wrote:
> If OCaml's lexer handled numbers of this format, would it be possible to
> write:
>
> f -1 -2
>
> to mean:
>
> f (-1) (-2)
>
> rather than:
>
> f - 1 - 2
>
> Is this a good idea?
No, I don't think so, because
-1
and
- 1
would then be distinct, and there's be confusion with:
x-1
which would actually mean
x (-1)
rather than
x - 1
That would break reams of code .. ;(
--
John Skaller <skaller at users dot sf dot net>
Felix, successor to C++: http://felix.sf.net
next prev parent reply other threads:[~2007-06-29 18:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-29 15:39 Jon Harrop
2007-06-29 15:56 ` [Caml-list] " Robert C Fischer
2007-06-29 16:32 ` Brian Hurt
2007-06-29 16:40 ` Jon Harrop
2007-06-29 18:21 ` Philippe Wang
2007-06-29 15:57 ` pzimmer
2007-06-29 16:35 ` Robert C Fischer
2007-06-29 16:41 ` Jon Harrop
2007-06-29 17:57 ` Stefan Monnier
2007-06-29 18:11 ` [Caml-list] " Robert C Fischer
2007-06-29 21:05 ` Jon Harrop
2007-06-29 18:29 ` skaller [this message]
2007-06-29 18:53 ` [Caml-list] " Pal-Kristian Engstad
2007-06-29 19:21 ` Daniel Bünzli
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