As someone who has used (and suffered at the hands of) NSLayoutConstraint, I'd actually love to see a more accessible and generally understandable version of th

As someone who has used (and suffered at the hands of) NSLayoutConstraint, I'd actually love to see a more accessible and generally understandable version of this come into existence. Constraint programming is an underrated area of research at the moment, and I think it can be made so much more powerful by using what we've learned from building functional and declarative languages over the last decade.