Developer advocates for small, single-purpose functions for cleaner code

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A software developer shared a personal experience of struggling with a large, complex legacy codebase. They concluded that writing small, focused functions is a key habit for improving code quality. Such functions, ideally under 20-30 lines, perform a single task well, enhancing readability, debugging, reuse, and testing. The article illustrates the principle by contrasting a large multi-purpose function with a refactored version composed of smaller ones.

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