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Whenever some calls something else opinionated, you have to be aware they probably mean it just doesn't square with their opinion.
by noobermin 9y ago
Whenever some calls something else opinionated, you have to be aware they probably mean it just doesn't square with their opinion.
- strken 9y agoI think there's a similar but stronger form of opinionation where a choice prevents you from ever implementing something. In this case, not being able to synchronously resolve a promise prevents you from using them in certain ways. You can attach flatMap to the prototype or build a better way of doing cancellations, but you'll need to make additions to the language itself to turn a promise synchronous, which is what await/async were all about. Having said all that, the bar for promises isn't set by RxJS, it's set by callback(err). EDIT: also, promises were very much discovered. They're an opinionated solution to the very specific problems of callbacks. They're chainable because of callback hell. Errors propagate because that's a problem with callbacks. Their execution is always delayed because callbacks made it hard to reason about execution order. They don't handle cancellation because callbacks don't handle cancellation.