A modern programming language that makes developers happier.

kotlinlang

From user point of view everything will be simplified down to factory methods. What I really fear is too complicated type structure for developers. For example, ojalgo is super complicated, I am not sure anyone but the author can understand what happens inside.

I can agree with that. But is all that boilerplate and chaos a consequence of Anders eeking every bit of performance and flexibility he can out of it?

But yes, the implementation makes me dizzy.

It does not make sense to fight for percents or even 20 percents of performance if it creates unmaintainable code. My experience shows that in the real life, it is more important how you use the tool than how fast it is.

I agree. Performance can always be worked on later and usage productivity should be just as much of an objective.