Re: [boost] Re: [ANN] Spirit C++ parser framework.

From: Greg Colvin (gcolvin_at_[hidden])
Date: 2001-06-01 10:15:31

From: joel de guzman <joel_at_[hidden]>
> From: "Greg Colvin":
> 
> > And don't forget
> > 
> >    a*b*c
> > 
> > Commutative for numbers, but not matrices, and a common
> > substitute in computer languages for
> > 
> >    a b c 
> > 
> > in algebra.  Nice high precedence too.
> 
> Clashes with the Kleene star.

What clash?  If
   A * A
in Spirit means
   A A
in EBNF and if
   *A
in Spirit means
   A*
in EBNF then
   *A
in Spirit matches nothing, or
   A
or
   A * A
or
   A * A * A
and so on.