This makes a good case for effect systems in conjunction with FP, so they can be reasoned about as well. Something like https://koka-lang.github.io/koka/doc/ind

This makes a good case for effect systems in conjunction with FP, so they can be reasoned about as well. Something like https://koka-lang.github.io/koka/doc/index.html https://koka-lang.github.io/koka/doc/index.html Having said that, having something like Daedelus in there as well would give a handle on temporal-based determinism, and then some allowance for delimited continuations would top things off nicely.