[plt-scheme] Parser Tools group-id for tokens

From: Paulo J. Matos (pocmatos at gmail.com)
Date: Wed Nov 26 05:55:56 EST 2008

On Wed, Nov 26, 2008 at 4:19 AM, Jon Rafkind <workmin at ccs.neu.edu> wrote:
> Paulo J. Matos wrote:
>> Hi all,
>> I am wondering why do we need to specify a group id for tokens? What's
>> the usefulness of this group-id?
> I'm not an expert on this but it seems like a convenient way to pass tokens
> to the parser. Is it bothersome for you to define it?

Not bothersome at all. I just couldn't and maybe still can't see the
point, since the usual way is to pass one token into the parser. Why
pass a group of them?

Paulo Jorge Matos - pocmatos at gmail.com
Webpage: http://www.personal.soton.ac.uk/pocm

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