Aljaz, Yes, comparisons should be const members. (and not only in SmartPointers...) I'll change that. Thanks for pointing this out. Luis ======================================= Aljaz Noe wrote: > Hi! > > > > Question: Shouldn't comparison operators (<, >, >=, <=, ...) in SmartPointer class be declared as const member functions? > > > > Aljaz > > >