In what ways are channels are better than the traditional await?

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Some packages offer utilities to gather results from goroutines, such as multierror.Group or parallel.Map in samber/lo.

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Incidentally, the alternative event loop implementation trio in python does not have "gather", you also need channels, and it's a deliberate design choice - there is some discussion about that in this ticket https://github.com/python-trio/trio/issues/2188

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