The best possible outcome is that everyone agrees on the same preprocessor/macro-expander and we start treating Go as a compilation target that isn't suited for

The best possible outcome is that everyone agrees on the same preprocessor/macro-expander and we start treating Go as a compilation target that isn't suited for human beings to read or write. Others have pointed out this is how we got C++ and stopped putting method dispatch and stack unwinding boilerplate at the same level as the code we really care about.