On 8/30/12, Richard Henderson <r...@redhat.com> wrote: > On 08/27/2012 11:58 AM, Lawrence Crowl wrote: >>> I wonder if the second discriminator support is easily generalizable >>> to enabling any derived class being a root class on it own with its >>> own subtree? If I understand correctly, the GTY syntax would be the >>> same. >> >> If I understand correctly, you are suggesting multiple inheritance >> via enums. I think it is possible, but I think the tag syntax >> would need to be changed to more directly associate the tag with >> the variable. > > I understood Laurynas to be suggesting not multiple inheritance, > but composition?
But composition would not provide the additional space necessary for derivation, so there could be no tree under it. Perhaps an example would help. -- Lawrence Crowl
