It totally would! I think that is where C++20's coroutine proposal (or Rust) makes a lot of sense (and all these negative abstraction costs!). There are a lot o

It totally would! I think that is where C++20's coroutine proposal (or Rust) makes a lot of sense (and all these negative abstraction costs!). There are a lot of fun when working on though, and the end result is not bad (I translated my old stateful coroutine based code to this one in an afternoon: https://github.com/liuliu/ccv/commit/03c84ee1e3344b8458d8502010b3ea73417ede75#diff-0576585e7e3ffa72c74264debbc013ad https://github.com/liuliu/ccv/commit/03c84ee1e3344b8458d8502...)