On Sun, Sep 16, 2012 at 2:16 AM, Dami=E1n M. Gonz=E1lez <lists / ruby-forum.c=
om>wrote:

>  Do you mean that is good to track all the instances of a class in some
> collection? Is not clear..
>
>
No, I'm saying don't do this. You can count dog legs since that's a single
object, but don't implicitly try to track all of the dogs.