I like an API that captures a problem and expresses it concisely. I imagine this is how mathematicians feel when they create a beautiful proof. I’ve always enjoyed a good API but it wasn’t until I worked with one of my best friends, who has a background in type systems, that I really started to appreciate what it means to create a good API. I have a bunch of APIs I like but probably my favorite is retry, which I’ve implemented in several languages.
