Fill in vtbl[] for base class based on member functions of class cd. Input: vtbl if !=NULL, fill it in newinstance !=0 means all entries must be filled in by members of cd, not members of any base classes of cd.
true if any entries were filled in by members of cd (not exclusively by base classes)
The D Programming Language's Unofficial Docs
beta
Fill in vtbl[] for base class based on member functions of class cd. Input: vtbl if !=NULL, fill it in newinstance !=0 means all entries must be filled in by members of cd, not members of any base classes of cd.