André shows us how to build a minimum functioning RxJS and teaches us some important concepts about reactive programming.
.forEach, promises, and NodeJS streams all are very close in the way they are written. Instead, in RxJS you'd unify all of these APIs under one abstraction.
Toy Rx is an interesting library to go beyond this livestream.
That was an amazing talk, would love more in-depth-how-to-make-X :D