On Thu, Aug 30, 2012 at 11:57 AM, 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?
The coding convention recommends avoiding multiple inheritance, but it did not ban it altogether. I would be unfortunate that gengtype takes the step of banning it -- by effectively not supporting it. -- Gaby
