On 4/27/06, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Greg Stark <gsstark@mit.edu> writes:
> > There are other ways of achieving the same thing. Structs containing a union
> > for the subclass fields for example.
>
> Doesn't achieve the same thing, unless you mandate that every part of
> the system use the identical massively-overloaded union struct to refer
> to every node.
If we do subclassing like this:
struct Node { ... };
struct Value { struct Node; ... };
etc.
do we still run into the alias problem?
--
Taral <taralx@gmail.com>
"You can't prove anything." -- Gödel's Incompetence Theorem