Download Learning Swift (2nd Edition) by Andrew J. Wagner PDF

April 4, 2017 | Programming | By admin | 0 Comments

By Andrew J. Wagner

Develop the talents required to create compelling, maintainable, and strong iOS and OS X apps with Swift

About This Book
• Write expressive, comprehensible, and maintainable quick 2 code with this hands-on tutorial
• Unveil the advanced underpinnings of fast to show your app principles into reality
• This ebook is filled with real-life examples that will help you enforce strategies as you learn

Who This ebook Is For
If you're looking to construct iOS or OS X apps utilizing the main glossy know-how, this publication is perfect for you. you'll find this e-book in particular helpful when you are new to programming or when you are but to improve for iOS or OS X. No earlier programming publicity is required.

What you'll Learn
• shape a superior knowing of the speedy 2 language
• Get to grasp the sensible points of the way a working laptop or computer application truly works
• comprehend the paradigms utilized by Apple's frameworks so that you usually are not intimidated by means of them
• make the most of the immense assets written in Objective-C to higher tell your quick programming
• increase a simple portfolio of fast code by means of studying the severe concepts
• adventure either object-oriented and useful programming
• Get to understand the hot coding suggestions made to be had through speedy 2
• realize assets to make sure you by no means cease changing into a greater developer

In Detail
Swift is Apple's new programming language and the way forward for iOS and OS X app improvement. it's a high-performance language that appears like a latest scripting language. at the floor, quick is straightforward to leap into, however it has advanced underpinnings which are serious to turning into expert at turning an concept into reality.

This e-book is an approachable, step by step creation into programming with rapid for everybody. It starts via providing you with an summary of the foremost gains via functional examples and progresses to extra complicated issues that aid differentiate the knowledgeable builders from the mediocre ones. It covers vital strategies reminiscent of Variables, Optionals, Closures, Generics, and reminiscence administration. jumbled in with these thoughts, it additionally is helping you study the paintings of programming akin to maintainability, invaluable layout styles, and assets to additional your wisdom. This all culminates in writing a uncomplicated iOS app that might get you good in your solution to turning your individual app rules into reality.

Style and approach
This is an approachable, step by step advisor to programming in rapid 2. each one subject is separated into compressible sections which are choked with useful examples and easy-to-understand factors. each one part builds at the earlier issues so that you can strengthen a educated and finished knowing of app improvement in rapid 2.

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Extra resources for Learning Swift (2nd Edition)

Sample text

These loops are great but sometimes we need access to the index we are currently on and, at other times, we may want to loop through a set of numbers without an array. count. There are actually two types of ranges. This one is called a half open range because it does not include the last value. The other type of range, which we saw with switches, is called a closed range: print("Counting to 10:") for number in 1 ... 10 { print(number) } [ 23 ] Building Blocks – Variables, Collections, and Flow Control The closed range includes the last value so that the loop will print out every number starting with 1 and ending with 10.

This is a way of changing one type into another. For example, the clock function returns a value of the type clock_t but srand takes a parameter of the type UInt32. Remember, just like with variables, you can hold the option key and click on a function to see what types it takes and returns. [ 32 ] Chapter 2 The second feature we will use a variable that can store only true or false. This is called a Bool, which is short for Boolean. We have used this type many times before as it is used in all conditionals and loops but this is the first time that we will store a Bool directly in a variable.

In this chapter, we will build up your knowledge of the building blocks of programming in Swift. Each of these building blocks is exciting on its own and they will become even more exciting as we start to see the possibilities they open up. No matter how complex programming might seem to you now, I guarantee that one day you will look back and marvel at how all of these concepts have become second nature. In this chapter, we will cover: • • • • • Core Swift types Swift's type system Printing to the console Controlling the flow of your program A comprehensive example of all concepts covered [ 11 ] Building Blocks – Variables, Collections, and Flow Control Core Swift types Every programming language needs to name a piece of information so that it can be referenced later.

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