another indicator (as documented) that GC destructor won't work // extern(C++) classes don't have a classinfo pointer in their vtable so the GC can't finalize them https://github.com/dlang/druntime/blob/3d8d4a45c01832fb657c16a656b6e1566d77fb21/src/rt/lifetime.d#L90 annoying :( Markus