Boris wrote:
> [crossposted to gnu.g++.help]
>
> Boris wrote:
> > Boris wrote:
> >> [...] The code I talk about looks like this:
> >>
> >> if (typeid(b) == typeid(level2))
> >> {
> >> const level1 *l1 = dynamic_cast(&b);
> >> }
> >
> > I changed the code for testing purposes and replaced dynamic_
Maxim Yegorushkin wrote:
> [...]
>
> Why not just:
>
>if(level2 const* l2 = dynamic_cast(&b))
>{
>// no need comparing typeinfo's
>}
>
> ?
I want to cast to a level 1 class which is a parent of several level 2
classes. Otherwise you are right - I could cast to the actual type
Boris wrote:
>> I wonder how you reached such a conclusion. Where on that page do
>> they say it does not work?
>
> The title is pretty clear I think: "dynamic_cast,throw, typeid don't
> work with shared libraries". :-) They are talking about template
> instantiations, vague linkage, not an exhaust
Boris wrote:
> Maxim Yegorushkin wrote:
> > [...]
> >
> > Why not just:
> >
> >if(level2 const* l2 = dynamic_cast(&b))
> >{
> >// no need comparing typeinfo's
> >}
> >
> > ?
>
> I want to cast to a level 1 class which is a parent of several level 2
> classes. Otherwise you are
Maxim Yegorushkin wrote:
> [...]
>> if (typeid(b) == typeid(level2a) || typeid(b) == typeid(level2b) ||
>> typeid(b) == typeid(level2c))
>> {
>> const level1 *l1 = dynamic_cast(&b);
>> }
>>
>> Class level1 is the parent of all the level2 classes. I have to
>> check for several types but don't ne
