>> Not a very deep CS-y one yes, in fact this is more like a pattern than an actual data structure, since you might as well replace it with a list of futures.

>> Not a very deep CS-y one yes, in fact this is more like a pattern than an actual data structure, since you might as well replace it with a list of futures. And a comparison between future based concurrency and thread based parallelism is like apples to oranges. But it isn't surprising that this pattern ended up at the top since it is what the users of this site would be most familiar with.