[riwsky]

It's also a perfect example of the limitations of that approach - core.async had to make serious compromises in its interface because it was 'just a library': expressions with <!'s and other calls can't just be pulled into functions or for-comprehensions like normal code. That's not to say it's poorly-done, or not useful - it is well done and useful, and those compromises are in line with clojure's goal of integrating well with host vms. It's just an example of how builtins can be "simpler" sometimes. https://github.com/clojure/core.async/wiki/Go-Block-Best-Pra...