Re: too many warnings from Bison CVS for Pike

[Akim Demaille]

Le 25 févr. 06 à 07:05, Hans Aberg a écrit :

> On 24 Feb 2006, at 22:24, Akim Demaille wrote:
>
> > Le 23 févr. 06 à 21:34, Hans Aberg a écrit :
> >
> > > In summary, if one does not need a dynamic polymorphic variable  
> > > in the extra-parser computations, then a discriminating union  
> > > will be useful. But it does not serve as a replacement in the  
> > > case a dynamic polymorphic variable is needed.
> >
> > There is no problem with storing a polymorphic pointer in a
> > variant.
>
> The idea is to use the traditional C++ virtual hierarchy. This is  
> the model that was introduced into C++ as an extension of the  
> corresponding one in C.

Which is precisely what I refer to as a polymorphic pointer.

> > I fail to see the point of your comment.
>
> You probably need to learn this C++ programing first, then.

Yeah, right.