Some really smart people working on Swift, and the C++ interop is a dark art (although was missing some critical features like virtual message dispatch and supp

Some really smart people working on Swift, and the C++ interop is a dark art (although was missing some critical features like virtual message dispatch and support for std::function from blocks last time I looked). FWIW there’s been plenty of C++ in macOS since the start, eg. Security.framework.