TIL - The case with Uber Eats

There has been a very interesting case highlighting how a backend system based on a functional language could outshine the object-oriented ones. The case can be found here.

TL;DR - Idempotency is a really essential component to consider while building backend systems.

Quick recap: Idempotency is a Web API design principle defined as the ability to apply the same operation multiple times without changing the result beyond the first try.

More on that here and here.