Conclusion
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Conclusion
In this lesson, you’ve learned some advanced applications of protocols in Swift, gaining insights on how to construct APIs that are not only user-friendly but also offer compile-time safety. You explored the following key aspects:
- How to use associated types to make your protocols generic.
- How to use protocol extensions to provide default implementations for functions — and how to add additional functions and properties, if required.
- How to use generics with protocols to make your code more flexible.
- How to use protocol composition to combine multiple protocols.