OpenEuphoria

Re: Contest

• Posted by Derek Parnell <ddparnell at bigpond.com> Oct 30, 2004
• 513 views

Patrick Barnes wrote:
> 
> On Sat, 30 Oct 2004 06:22:26 -0700, Derek Parnell
> <guest at rapideuphoria.com> wrote:
> > > according to your rules,
> > >    2004    is not a word, but
> > >     '04    is a word.
> > >
> > > Even
> > >    '''     is a word (of length 0).
> > >
> > > Is this right?
> > 
> > Yep, you got it right.


Arrgghhhh!! I made that reply after coming home from a party at the 
neighbours house. I guess it was the wine talking 

No, we can't have zero-length tokens, so a string of only quotes cannot
be a valid token. You guys are right and I was wrong.

> Eep... time to redo my parser again (which unfortunately worked until
> you informed us of this)

Sorry. Of course this happens with real-life specs too. The customer swears
that 'X' is required right to the day you are about to deliver the
application to them. Then is "no 'X' is wrong. I need 'Y' instead".
 
-- 
Derek Parnell
Melbourne, Australia