7 Functional programming with comprehensions
Programmers are always trying to do more with less code, while simultaneously making that code more reliable and easier to debug. And indeed, computer scientists have developed a number of techniques, each meant to bring us closer to that goal of short, reliable, maintainable, powerful code.
One set of techniques is known as functional programming. It aims to make programs more reliable by keeping functions short and data immutable. I think most developers would agree that short functions are a good idea, in no small part because they’re easier to understand, test, and maintain.
But how can you enforce the writing of short functions? Immutable data. If you can’t modify data from within a function, ...
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