Chris Eidhof, Ole Begemann, Airspeed Velocity - Advanced Swift Updated for Swift 3 [2006, PDF, ENG]

Оглавление

1 Introduction
Who Is This Book For? 8
Themes 8
Terminology 12
Swift Style Guide 16
2 Built-In Collections
Arrays 19
Dictionaries 37
Sets 42
Ranges 46
3 Collection Protocols
Sequences 50
Collections 62
Conforming to Collection 66
Indices 73
Slices 87
Specialized Collections 94
Conclusion 103
4 Optionals
Sentinel Values 105
Solving the Magic Value Problem with Enumerations 107
A Tour of Optional Techniques 109
When to Force-Unwrap 135
Living Dangerously: Implicit Optionals 139
Conclusion 140
5 Structs and Classes
Value Types 142
Mutability 145
Structs 148
Copy-On-Write 156
Closures and Mutability 164
Memory 166
Closures and Memory 171
Conclusion 174
6 Functions
Flexibility through Functions 183
Local Functions and Variable Capture 193
Functions as Delegates 196
inout Parameters and Mutating Methods 201
Properties and Subscripts 206
Automatic Closures 211
The @escaping Annotation 213
Conclusion 215
7 Strings
No More Fixed Width 217
Strings and Collections 221
A Simple Regular Expression Matcher 227
ExpressibleByStringLiteral 231
Internal Structure of String 233
Code Unit Views 241
CustomStringConvertible and CustomDebugStringConvertible 243
Text Output Streams 245
String Performance 250
Outlook 254
8 Error Handling
The Result Type 257
Throwing and Catching 258
Typed Errors 261
Bridging Errors to Objective-C 262
Errors and Function Parameters 263
Cleaning Up Using defer 266
Errors and Optionals 268
Chaining Errors 269
Higher-Order Functions and Errors 270
Conclusion 273
9 Generics
Overloading 275
Operating Generically on Collections 284
Designing with Generics 298
How Generics Work 302
Conclusion 307
10 Protocols
Protocol-Oriented Programming 311
Two Types of Protocols 316
Protocols with Self Requirements 322
Protocol Internals 325
Conclusion 327
11 Interoperability
Hands-On: Wrapping CommonMark 329
An Overview of Low-Level Types 342
Function Pointers 345

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