From: Gabriel Kerneis <gabriel@kerneis.info>
To: "Daniel Bünzli" <daniel.buenzli@erratique.ch>
Cc: Nicolas Ratier <nicolas.ratier@femto-st.fr>, caml-list@inria.fr
Subject: Re: [Caml-list] Case insensitive in type
Date: Wed, 2 Jul 2014 10:30:38 +0100 [thread overview]
Message-ID: <20140702093037.GC4470@kerneis.info> (raw)
In-Reply-To: <61DE677B8B2B47D8802464F092A13EC2@erratique.ch>
On Wed, Jul 02, 2014 at 09:43:13AM +0100, Daniel Bünzli wrote:
> Le mercredi, 2 juillet 2014 à 09:34, Nicolas Ratier a écrit :
> > I would like the string of the Term constructor not to be case sensitive,
> > for example, all the following terms should be the same :
>
> [...]
> > Is it possible ?
>
> The only way to do this is to make the type private and always
> construct term values through a constructor which normalizes the
> strings.
>
> type term = private Term of string * term list
> let term s args = Term ((String.lowercase s), args)
It will not help with pattern-matching, though. The following will fail:
match (term "plus" []) with
| Term("Plus",[]) -> true
| _ -> assert false
I don't think there is a way to work around this.
--
Gabriel
next prev parent reply other threads:[~2014-07-02 9:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-02 8:34 Nicolas Ratier
2014-07-02 8:43 ` Daniel Bünzli
2014-07-02 9:30 ` Gabriel Kerneis [this message]
2014-07-02 9:43 ` Daniel Bünzli
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