Swift Style

Wrapping Up

You’ve now seen several examples of structure that you may not have thought about before. In particular, you explored how good layout creates a consistent code-reading experience. You read how thoughtful composition emphasizes structure, allowing you to create well-considered functional organization. Code that defers to and supports human cognition is easier to understand and to maintain.

Thinking about structure enables you to examine code and evaluate it in a new way. "Do this code’s bracing and wrapping styles support or hinder its understanding?" and "How might you restructure this code layout to better support its mission?" These new skills allow you to cast a critical eye on structure, enabling you to evolve guidelines that ...