https://issues.dlang.org/show_bug.cgi?id=21184
--- Comment #2 from alexandru.ermic...@gmail.com --- This is in .d file, and is completely clear that is a bug, since you can't have an unimplemented method. Only abstract methods may not have a body, since it is expected to be implemented somewhere else. I struggle to even understand how you could implement such a method given it is a D method, not c++ one. --