Swift Pocket Reference. Programming for iOS and OS X. 2nd Edition - Helion

ebook

Autor: Anthony Gray
ISBN: 978-14-919-4002-0
stron: 236, Format: ebook
Data wydania: 2015-11-12
Księgarnia: Helion

Cena książki: 54,99 zł

Osoby, które kupiły tę książkę, wybierały także »

Tagi: iPhone | Objective-C/Swift - Programowanie

Get quick answers for developing and debugging applications with Swift, Apple’s multi-paradigm programming language. Updated to cover the latest features in Swift 2.0, this pocket reference is the perfect on-the-job tool for learning Swift’s modern language features, including type safety, generics, type inference, closures, tuples, automatic memory management, and support for Unicode.

Designed to work with Cocoa and Cocoa Touch, Swift can be used in tandem with Objective-C, and either language can call APIs implemented in the other. Swift is still evolving, but Apple clearly sees it as the future language of choice for iOS and OS X software development.

Topics include:

Supported data types, such as strings, arrays, array slices, sets, and dictionaries
Program flow: loops, conditional execution, and error handling
Classes, structures, enumerations, and functions
Protocols, extensions, and generics
Memory management
Closures: similar to blocks in Objective-C and lambdas in C#
Optionals: values that can explicitly have no value
Operators, operator overloading, and custom operators
Access control: restricting access to types, methods, and properties
Ranges, intervals, and strides
A full list of built-in global functions and their parameter requirements

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Spis treści

Swift Pocket Reference. Programming for iOS and OS X. 2nd Edition eBook -- spis treści

Introduction
Conventions Used in This Book
Using Code Examples
Safari Books Online
How to Contact Us
Acknowledgments
Getting Started with Swift 2
- The Swift REPL
  - Multiple Xcode installations
  - Starting the REPL
- Swift as a Scripting Language
- Swift Playgrounds
A Taste of Swift
Basic Language Features
- Comments
- Semicolons
- Whitespace
- Naming Conventions
- Importing Code from Other Modules
Types
- Specific Integer Types
- Numeric Literals
- Character and String Literals
- Type Aliases
- Nested Types
- Other Types
Variables and Constants
- Computed Variables
- Variable Observers
Tuples
- Tuple Variables and Constants
- Extracting Tuple Components
- Naming Tuple Components
- Using Type Aliases with Tuples
- Tuples as Return Types
Operators
- No Implicit Type Conversion
- Arithmetic Operators
- Bitwise Operators
- Assignment Operators
- Comparison Operators
- Logical Operators
- Overflow Operators
- Type Casting Operators
- Range Operators
- Ternary Conditional Operator
- Operator Precedence
Strings and Characters
- String Properties
- Comparing Strings
- Escaped Characters in Strings
- String Interpolation
- Converting Strings to Numeric Types
- Character-Level Access in Strings
- String Inherited Functionality
Arrays
- Accessing Array Elements
- Array Properties
- Modifying a Mutable Array
- Iterating Over Arrays
- Array Inherited Functionality
- Slices
Dictionaries
- Accessing Dictionary Elements
- Dictionary Properties
- Modifying a Mutable Dictionary
- Iterating Over Dictionaries
- Dictionary Inherited Functionality
Sets
- Accessing Set Items and Properties
- Modifying a Mutable Set
- Iterating Over Sets
- Set Operations
- Set Inherited Functionality
- Option Sets
Functions
- Parameter Types
- Returning Optional Values
- Returning Multiple Values by using Tuples
  - The optional tuple return type
- Local and External Parameter Names
- Default Parameter Values
- Variadic Parameters
- Function Types
Closures
- Automatic Argument Names
- Trailing Closures
- Capturing Values
- Capturing Values by Reference
Optionals
- Unwrapping Optionals
- Implicitly Unwrapped Optionals
- Optional Binding
- Optional Chaining
Program Flow
- Loops
  - for-condition-increment loops
  - for-in loops
    - for-in variations
  - while loops
  - repeat-while loops
  - Early termination of loops
- Conditional Execution
  - if-else
    - if-case
  - guard-else
  - switch
    - Matching ranges in a case clause
    - Using tuples in a case clause
    - Value binding with tuples and ranges
    - The where qualifier
    - Using switch with enumerations
  - Statement labels
  - Do scopes
  - Deferred execution
- Error Handling
  - Rethrowing functions and methods
  - Forced Try
  - Optional Try
Classes
- Defining a Base Class
- Instances
- Properties
  - Stored properties
    - Lazy initialization of stored properties
  - Computed properties
  - Property observers
  - Instance versus type properties
    - Static properties
    - Computed type properties
  - Constant properties
- Methods
  - Local and external parameter names
  - Self
  - Type methods
- Subscripts
- Member Protection
- Inheritance: Deriving One Class from Another
- Overriding Superclass Entities
  - Accessing overridden superclass entities
  - Overriding properties
  - Overriding methods and subscripts
- Preventing Overrides and Subclassing
- Initialization
  - Designated initializers
  - Convenience initializers
  - Failable initializers
- Initialization and Inheritance
  - Overriding initializers
  - Required initializers
- Deinitialization
Structures
- Properties in Structures
- Methods in Structures
  - Mutating methods
- Type Methods for Structures
- Initializers in Structures
  - Initializer delegation in structures
Enumerations
- Raw Member Values
- Associated Values
- Methods in Enumerations
- Type Methods for Enumerations
- Recursive Enumerations
- Failable Initializers in Enumerations
Access Control
- Specifying Access Control Levels
- Default Access Control Levels
Extensions
- Computed Property Extensions
- Initializer Extensions
- Method Extensions
- Subscript Extensions
Checking and Casting Types
- Any and AnyObject
- Checking Types
- Downcasting Types
Protocols
- Required Properties
- Required Methods
- Optional Methods and Properties
- Initializers in Protocols
- Adopting Protocols with Extensions
- Inheritance and Protocols
- Using a Protocol as a Type
- Checking Protocol Conformance
- Protocol Extensions
- Built-In Protocols
- The GeneratorType Protocol
- The SequenceType Protocol
- The CollectionType Protocol
Memory Management
- How Reference Counting Works
- Retain Cycles and Strong References
- Weak References
- Unowned References
- Retain Cycles and Closures
Generics
- Generic Functions
- Generic Types
- Constraining Types
  - The where type constraint clause
- Generic Protocols
Operator Overloading
- Overloading Unary Operators
- Custom Operators
- Custom Operator Precedence
Ranges, Intervals, and Strides
- Ranges
- Intervals
- Strides
Global Functions
Changes From Swift 1.0
Index