Can you explain RXJS like I'm five?
Hahaha :) Observables are just functions in JS - they don't do anything until you subscribe to them, or call them. It's not that hard so if you're learning promises currently I say why not just learn RxJS bc it's basically the same thing but with more benefits? :) But, everyone has their own opinion! :)
Observables are right Kan extension (as is generalize of continuation process) in category theory :D
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