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I suppose this might be useful in situations where you are querying an API(s) with multiple requests and some will certainly return seconds before others.

This way you could have the same reducer handle the results and begin updating the UI as the results come in.

An example real-world app might be a price comparison tool or social media aggregator.




> I suppose this might be useful in situations where you are querying an API(s) with multiple requests and some will certainly return seconds before others.

But it's still a serialized operation so the parallelism is still limited. What's really needed is a "parallel reduce" using something like C's select function that will reduce in an arbitrary order using any promises that are ready at any given step.




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