From: Till Varoquaux <till@pps.jussieu.fr>
To: Pierre Chopin <pierre@punchup.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] pattern matching on integer intervals
Date: Sat, 21 Jan 2012 13:30:02 -0500 [thread overview]
Message-ID: <CAHJESt1unukgAk4x14Si5pSytLUZUat8OpHS+0Bkg6cn-X3E5w@mail.gmail.com> (raw)
In-Reply-To: <CAGyUfm3w0dnk0DwK=kGpNAb5o1b8ehEXDcC07zWLdH5BwCHf5w@mail.gmail.com>
I remember wondering the same thing and the answer can be found in the
ocaml parser: char intervals are expanded at parse time to the the
full list of characters. This would blow up if you were to use ints,
int64 etc....
HTH,
Till
On Sat, Jan 21, 2012 at 1:14 PM, Pierre Chopin <pierre@punchup.com> wrote:
> Hi,
>
> I am trying to do pattern matching on unicode characters, represented by
> integers. I would like to do something like that
>
> let f c =
> match c with
> 0xff .. 0xfff -> foo
>
> I know we can pattern match over char intervals but It doesn't be to be the
> case for char intervals. Some I have two questions:
> Is there a better way of doing what I am doing and why is it possible to
> pattern match over char intervals and not int intervals?
>
> --
> Pierre Chopin,
> Chief Technology Officer and co-founder
> punchup LLC
> pierre@punchup.com
>
next prev parent reply other threads:[~2012-01-21 18:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-21 18:14 Pierre Chopin
2012-01-21 18:30 ` Till Varoquaux [this message]
2012-01-21 18:33 ` Gabriel Scherer
2012-01-21 19:46 ` Edgar Friendly
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