Learn Swift: Optionals
|
Learn how to define functions and handle values that might be absent using optionals in Swift.
About this course
Continue your Swift learning journey with Learn Swift: Optionals. Sometimes when we work with data, we find that information is missing. Handle values that might be absent by learning how to use optionals.
Skills you’ll gain
Handle data that might be nil with optionals.
Bind optionals using if let and guard statements.
Define functions that take in and return optionals.
Notes on prerequisites
We recommend that you complete Learn Swift: Enumerations before starting this course.
User Reviews
Be the first to review “Learn Swift: Optionals”
Related Products
Learn Kotlin
Learn Kotlin, the expressive, open-source programming language developed by JetBrains.
Learn Kotlin: Functions and Classes
Dive into the world of functions and classes in Kotlin and learn how to write and implement ones of your own.
Build a Social Media iOS App with Firebase and SwiftUI
Learn how to use Firebase to build social iOS apps with Swift and SwiftUI
Learn Java
Learn to code in Java — a robust programming language used to create software, web and mobile apps, and more.
Build an Intermediate iOS App with SwiftUI
Learn how to use Swift and SwiftUI to build more complex iOS apps that can store present data.
Pass the Technical Interview with Swift
Learn how to use data structures and algorithms in Swift to ace a technical interview.
There are no reviews yet.