Daily Software Tips & Tricks

Deeply nested `if-else` statements are a common recipe for "arrow code" that’s hard to read and even harder to debug. A great way to clean this up is by using guard clauses—checking for edge cases or invalid states at the very beginning of your function and returning early.

By handling the "unhappy paths" first, you keep the main logic of your function at the lowest level of indentation. It makes the primary intent of your code much easier to follow for anyone reading it later, including your future self.