Steven Schveighoffer Wrote: > On Tue, 13 Apr 2010 15:50:36 -0400, Christoph Mueller > <ruu...@googlemail.com> wrote: > > > I'm currently writing a library in D2 which uses intensively interfaces > > and i meet a problem by overloading the opEquals Operator. > > > > In some of my implementations i want to compare an object through an > > interface of another instance > > > > Unfortanetly, the opEquals Operator uses only Object parameters and > > according to the current DMD-Compiler it's not possible to cast implicit > > an Interface to an Object. (Got a nice compiler error) > > > > Is there any reason to forbid implicit downcasting from any interface to > > Object? > > Any good reason? No. > > But the stated reason is usually that interfaces don't necessarily have to > be Objects, they can be COM objects, which 1) has no bearing in some OSes, > and 2) does anyone use this feature?
It could also be a C++ class