Re: Please, help with this scope problem (simple?)

[Philippe Haution <philippe_haution at yahoo dot fr>]

Hello,

I think it is a problem of two-phase name lookup which
this link should help explain :
http://gcc.gnu.org/ml/gcc-help/2004-04/msg00382.html

Regards,

PH
--- Leon Pollak <leon.pollak@gmail.com> a écrit :

> I should agree with you in the case when I should
> want to refer
> ANOTHER i (from another template parameter value).
> But in this case I
> have based class B on THE SAME value of template
> parameter. I was sure
> that this indicates very clear that I want the same
> 'i' which resides
> in A<T> instantiation...:-(
> 
> On 5/9/06, Blake Huff <stangmechanic@gmail.com>
> wrote:
> > I'm pretty bad with this, but here's my guess:  
> What if B had
> > multiple templates, i.e., A, C, D, and E,  which
> each had their own
> > i?   Compiler needs to know where to go.   Someone
> else might have a
> > better technical explanation (or maybe I'm wrong
> altogether!).
> >
> > Blake
> >
> >
> > On May 9, 2006, at 6:27 AM, Leon Pollak wrote:
> >
> > > Hello, all.
> > > I shall be very thankful for the help with the
> following compilation
> > > problem. The code example is:
> > >
> > > template <typename T>
> > > class A {
> > > protected:  int i;
> > > };
> > >
> > > template <typename T>
> > > class B : public A<T> {
> > > public:  B() {i = 0;}
> > > };
> > >
> > > My gcc version 4.0.2 20051125 (Red Hat 4.0.2-8)
> produces:
> > > error: 'i' was not declared in this scope.
> Writing:
> > > public:  B() {A<T>::i = 0;}
> > > solves the problem, but why do I need to specify
> this? Isn't it
> > > obvious?
> > >
> > > Many thanks ahead.
> > >
> > > Leon.
> >
> > Blake Huff
> > stangmechanic@gmail.com
> >
> >
> >
> >
> >
> >
> >
> >
> >
> 



	
	
		
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