Not well. Interoperating with C++ is extremely difficult as the calling conventions are complicated. See this from the "D" documentation: "Being 100% compatibl

Not well. Interoperating with C++ is extremely difficult as the calling conventions are complicated. See this from the "D" documentation: "Being 100% compatible with C++ means more or less adding a fully functional C++ compiler front end" https://dlang.org/spec/cpp_interface.html https://dlang.org/spec/cpp_interface.html