There is a problem space and a solution space of programming languages. We all love to have a language is performant and expressive and maintainable simultaneou

There is a problem space and a solution space of programming languages. We all love to have a language is performant and expressive and maintainable simultaneously, and that is a problem description. We have no definitive answer how to achieve that though. We haven't explicitly ruled out that it is plain impossible, but it is evident that no single person is likely to deliver such a language.