Optionals | Swift in 60 | Swift Basics Explained

Опубликовано: 28 Октябрь 2024
на канале: NDC

Welcome to Swift in 60!

In this video, we’ll cover the basics of optionals in Swift—and we’ll do it in under 60 seconds! You’ll learn how to safely handle nil values using optionals, a key concept for writing safe and reliable Swift code. 💻✨

What You’ll Learn:
How to use optionals to store values that could be nil.
Unwrapping optionals safely with if-let.
Using nil coalescing (??) to provide default values when an optional is nil.
By the end of this video, you’ll have a solid understanding of how to work with optionals, making your code safer and more robust in Swift programming. 🎉

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Links:
Xcode: https://developer.apple.com/xcode/
Swift Documentation: https://www.swift.org/documentation/
Timestamps:
0:00 Intro
0:11 What are optionals?
0:22 Unwrapping optionals with if-let
0:30 Nil coalescing
0:38 Recap & Outro