They have verve, and that's generally a good thing. In this case there are a lot of details that need to be grokked to make any reasonable comment. The use of c

They have verve, and that's generally a good thing. In this case there are a lot of details that need to be grokked to make any reasonable comment. The use of combinators (a kind of dual of lambda calculus) harks back to an excellent thesis by Denis Seror at the University of Utah in the 70s that produced a safe, highly scalable and parallel implementation. I haven't looked at it more deeply (and probably should).