To be alive is to feel fucking terrible, if not all then at least some of the time. Headaches, nausea, mysterious aches and pains—all conspire to make our short time on Earth something less than a nonstop thrill-ride. Worse than the routine ailments are the ones you can’t even name: sudden...

In functional programming, pure functions are at the core of this paradigm. When we speak of pure functions we mean that these functions satisfy two main conditions; the first is that they will not cause any side effects and the second is that depending on their arguments they will return the same...