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  • Beginning Swift
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Beginning Swift

Beginning Swift

By : Rob Kerr, Kåre Morstøl
4 (1)
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Beginning Swift

Beginning Swift

4 (1)
By: Rob Kerr, Kåre Morstøl

Overview of this book

Take your first foray into programming for Apple devices with Swift.Swift is fundamentally different from Objective-C, as it is a protocol-oriented language. While you can still write normal object-oriented code in Swift, it requires a new way of thinking to take advantage of its powerful features and a solid understanding of the basics to become productive.
Table of Contents (10 chapters)
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Beginning Swift
Beginning Swift
Contributors
Contributors
Preface
Preface
Free Chapter
1
Swift Basics
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Swift Basics
Lesson objectives
Swift Program Structure
Swift Variables and Constants
Swift Data Types
Enums
Summary
2
Swift Operators and Control Flow
Swift Operators and Control Flow
Lesson objectives
Swift Operators
Branching
Loops
Summary
3
Functions, Classes, and Structs
Functions, Classes, and Structs
Lesson Objectives
Functions
Error Handling
Object-Oriented Features
Summary
Challenge
4
Collections
Collections
Lesson Objectives
Arrays
Sets
Dictionaries
Summary
5
Strings
Strings
Lesson Objectives
String Fundamentals
Using Strings
Substring
Summary
6
Functional Programming and Lazy Operations
Functional Programming and Lazy Operations
Lesson Objectives
Function Type
Functional Methods
Lazy Operations
Swifty Code
Summary
Further Study
Challenge
Index
Index

Summary

In this lesson, we've learned the basic language structure and syntax for the Swift programming language. We've now understood the following concepts:

  • The fundamental structure of Swift programs, and how to use an Xcode playground to develop simple and complex programs

  • How to create and use mutable and immutable Swift variables

  • The built-in data types available to Swift programs, and how to select the appropriate data type depending on circumstance

  • Swift's powerful optional construct for detecting and branching program flow when data values are not available

  • Swift's type inference and strict type safety syntax and usage

Now that you have the basics well in hand, we're ready to move on to the next lesson, where we'll learn how to use these language elements in complex Swift programs. Specifically, we'll look at the control flow structures and operators offered by Swift.

End of Chapter 1
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