November 2021
Beginner
436 pages
9h 41m
English
Content preview from Head First SwiftBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Index
Symbols
- ! operator, 2 Picking four random ingredients, Force unwrapping, Using your Queue
- != (equality operator), Swift Safety
- !== (identity operator), Swift Safety
- & (inout parameter), Functions deal in values
- += operator, Who am I?
- -= operator, Who am I?
- .textFieldStyle parameters, Create a user interface for the app
- = (assignment operator), Names and types: peas in a pod
- == (equality operator), switch statements, Swift Safety, Equatable
- === (identity operator), Swift Safety
- ? operator, optionals, Optionals Exposed, Using your Queue
- @EnvironmentObject property wrapper, Building an app with multiple views that share state, The second view, The first view, again
- @escaping keyword, closures, Capturing values from the enclosing scope
- @ObservedObject property wrapper, Step by step assembly of the welcome screen, The first view, again
- @Published property wrapper, Step by step assembly of the welcome screen
- @State keyword, Creating the basic elements of the app
- @State property wrapper, Buttons are for pressing, Step by step assembly of the welcome screen
- @State variables, Todo List, Create a user interface for the app
- @StateObject property wrapper, Step by step assembly of the welcome screen, Building an app with multiple views that share state
- _ (underscore), removing argument labels, Using functions
A
- access control, structs, Access control and structs
- aliases, type, Everyone needs a good alias
- ampersand (&), inout parameter, Functions deal in values
- animation, Executive Timer app, 2 Coding the gray ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.