[Addison-Wesley Professional Computing Series 01] • The Go Programming Language by Donovan, Alan A.A. -- Read -- Imperial Library of Trantor

Index

Contents Preface

The Origins of Go The Go Project Organization of the Book Where to Find More Information Acknowledgments

1. Tutorial

1.1 Hello, World 1.2 Command-Line Arguments 1.3 Finding Duplicate Lines 1.4 Animated GIFs 1.5 Fetching a URL 1.6 Fetching URLs Concurrently 1.7 A Web Server 1.8 Loose Ends

2. Program Structure

2.1 Names 2.2 Declarations 2.3 Variables 2.4 Assignments 2.5 Type Declarations 2.6 Packages and Files 2.7 Scope

3. Basic Data Types

3.1 Integers 3.2 Floating-Point Numbers 3.3 Complex Numbers 3.4 Booleans 3.5 Strings 3.6 Constants

4. Composite Types

4.1 Arrays 4.2 Slices 4.3 Maps 4.4 Structs 4.5 JSON 4.6 Text and HTML Templates

5. Functions

5.1 Function Declarations 5.2 Recursion 5.3 Multiple Return Values 5.4 Errors 5.5 Function Values 5.6 Anonymous Functions 5.7 Variadic Functions 5.8 Deferred Function Calls 5.9 Panic 5.10 Recover

6. Methods

6.1 Method Declarations 6.2 Methods with a Pointer Receiver 6.3 Composing Types by Struct Embedding 6.4 Method Values and Expressions 6.5 Example: Bit Vector Type 6.6 Encapsulation

7. Interfaces

7.1 Interfaces as Contracts 7.2 Interface Types 7.3 Interface Satisfaction 7.4 Parsing Flags with flag.Value 7.5 Interface Values 7.6 Sorting with sort.Interface 7.7 The http.Handler Interface 7.8 The error Interface 7.9 Example: Expression Evaluator 7.10 Type Assertions 7.11 Discriminating Errors with Type Assertions 7.12 Querying Behaviors with Interface Type Assertions 7.13 Type Switches 7.14 Example: Token-Based XML Decoding 7.15 A Few Words of Advice

8. Goroutines and Channels

8.1 Goroutines 8.2 Example: Concurrent Clock Server 8.3 Example: Concurrent Echo Server 8.4 Channels 8.5 Looping in Parallel 8.6 Example: Concurrent Web Crawler 8.7 Multiplexing with select 8.8 Example: Concurrent Directory Traversal 8.9 Cancellation 8.10 Example: Chat Server

9. Concurrency with Shared Variables

9.1 Race Conditions 9.2 Mutual Exclusion: sync.Mutex 9.3 Read/Write Mutexes: sync.RWMutex 9.4 Memory Synchronization 9.5 Lazy Initialization: sync.Once 9.6 The Race Detector 9.7 Example: Concurrent Non-Blocking Cache 9.8 Goroutines and Threads

10. Packages and the Go Tool

10.1 Introduction 10.2 Import Paths 10.3 The Package Declaration 10.4 Import Declarations 10.5 Blank Imports 10.6 Packages and Naming 10.7 The Go Tool

11. Testing

11.1 The go test Tool 11.2 Test Functions 11.3 Coverage 11.4 Benchmark Functions 11.5 Profiling 11.6 Example Functions

12. Reflection

12.1 Why Reflection? 12.2 reflect.Type and reflect.Value 12.3 Display, a Recursive Value Printer 12.4 Example: Encoding S-Expressions 12.5 Setting Variables with reflect.Value 12.6 Example: Decoding S-Expressions 12.7 Accessing Struct Field Tags 12.8 Displaying the Methods of a Type 12.9 A Word of Caution

13. Low-Level Programming

13.1 unsafe.Sizeof, Alignof, and Offsetof 13.2 unsafe.Pointer 13.3 Example: Deep Equivalence 13.4 Calling C Code with cgo 13.5 Another Word of Caution

Index