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Your are right.

Once ES6 is here(when? i dont know), things are going to get better i think,

but Go way of dealing with concurrency in general is a lot better than javascript's for now.

Generators will help a tiny bit but certainly not nearly as much as something like coroutines with separate stacks. I know the node-fiber guy(s) had some issues with v8's internal stack usage so it doesn't seem like a near-future possibility to really have light-weight coros in node :(

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