How to use Optionals in Swift | Swift Basics #6 скачать в хорошем качестве

How to use Optionals in Swift | Swift Basics #6

Master the concept of optionals in Swift with this comprehensive tutorial! Learn how to handle optional values and avoid runtime errors by unwrapping optionals safely. Understand the power of optional binding and nil coalescing to gracefully handle optional values in your code. Gain the skills to work with optional chaining and handle optional types effectively. Start your journey to becoming a skilled Swift developer today and harness the flexibility and safety that optionals bring to your code! 🤙 WELCOME BACK 🤙 WEBSITE: https://www.swiftful-thinking.com DISCORD:   / discord   GITHUB: https://github.com/SwiftfulThinking/ SAY THANKS: https://www.buymeacoffee.com/nicksarno 00:00 Optionals 00:00 Intro 02:23 Welcome back! 03:33 Optionals 06:26 Unwrapping using Nil Coalescing Operator 09:57 Any Type can be Optional! 11:38 Examples 14:10 Unwrapping using If-Let Statement 19:24 Unwrapping using Guard Statement 23:40 iOS Interview Question 24:33 Complex If-Let 32:12 Complex Guard 33:48 Guard vs If-Let 34:37 Nested If-Let 39:45 Nested Guard 43:18 Optional Chaining 49:38 Review 50:16 Explicitly Unwrapping Optionals 53:02 Wrapping up