An aside but... The "modern approach to concurrent programming" totally depends on what you're doing. Async I/O isn't always the answer. Sometimes, you need to

An aside but... The "modern approach to concurrent programming" totally depends on what you're doing. Async I/O isn't always the answer. Sometimes, you need to compute in parallel, and that's not necessarily mutually exclusive (e.g. Go). What language you choose does matter for both of these.