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by charliesome
3198 days ago
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Sorry, I should've been more clear. You're right - you can absolutely build sequence out of the bind operation for any monad. Promise.all is not just sequence though, there's some additional subtleties to it. In particular the fail-fast behaviour: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe... That's the kind of fundamental coalescing operation that you cannot implement with bind on plain monads. |
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