I don't like that article, because (1) it claims Go is doing something new, while Go is really just threads with a particularly idiosyncratic implementation; (2

I don't like that article, because (1) it claims Go is doing something new, while Go is really just threads with a particularly idiosyncratic implementation; (2) it ignores the fact that you can convert async to sync by just blocking and sync to async by proxying out to a thread pool. The "what color is your function" problem really isn't a big deal.