README.md

Go 语言程序设计（英文版）

Alan A.A.Donovan. Brian W.Kemighan. Go 语言程序设计（英文版）. 电子工业出版社. 第一版

夯实一下 go ，找这本书再合适不过了。已经是读的第三本 Kemighan 的书了。在公司的书架上找到的，纯英文版，值得挑战一下。

• 本书的代码 https://github.com/adonovan/gopl.io/
• 本书的网站 http://www.gopl.io/

2022年7月27日一周时间读完了，收获还是不少的。

• 1. Tutorial
• 2. Program Structure
• 3. Basic Data Types
• 4. Composite Types
• 5. Functions
• 6. Methods
• 7. Interface
• 8. Goroutines and Channels
• 9. Concurrency with Shared Variables
• 10. Packages and the Go Tool
• 11. Testing
• 12. Reflection
• 13. Low-Level Programming

1. Tutorial

./drafts/go.01.tutorial.md

• 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

./drafts/go.02.program-structure.md

• 2.1 Names
• 2.2 Declarations
• 2.3 Variables
  • 2.3.1 Short Variable Declarations
  • 2.3.2 Pointers
  • 2.3.3 The new Function
  • 2.3.4 Lifetime of Variables
• 2.4 Assignments
  • 2.4.1 Tuple Assignment
  • 2.4.2 Assignability
• 2.5 Type Declarations
• 2.6 Packages and Files
  • 2.6.1 Imports
  • 2.6.2 Package Initialization
• 2.7 Scope

3. Basic Data Types

./drafs/go.03.basic-data-types.md

• 3.1 Integers
• 3.2 Floating-Point Numbers
• 3.3 Complex Numbers
• 3.4 Booleans
• 3.5 Strings （博弈：可变性与内存共享）
  • 3.5.1 String Literals
  • 3.5.2 Unicode （引出 rune ）
  • 3.5.3 UTF-8
  • 3.5.4 Strings and Byte Slices
  • 3.5.5 Conversions between Strings and Numbers
• 3.6 Constants
  • 3.6.1 The Constant Generator iota
  • 3.6.2 Untyped Constants

4. Composite Types

./drafts/go.04.composite-types.md

• 4.1 Arrays
• 4.2 Slices
  • 4.2.1 The append Function
  • 4.2.2 In-Place Slice Techniques
• 4.3 Maps
• 4.4 Structs
  • 4.4.1 Struct Literals
  • 4.4.2 Comparing Structs
  • 4.4.3 Struct Embedding and Anonymous Fields
• 4.5 JSON
• 4.6 Text and HTML Templates

5. Functions

./drafts/go.05.functions.md

• 5.1 Function Declarations
• 5.2 Recursion
• 5.3 Multiple Return Values
• 5.4 Errors
  • 5.4.1 Error-Handling Strategies
  • 5.4.2 End of File (EOF)
• 5.5 Function Values
• 5.6 Anonymous Functions
  • 5.6.1 Caveat: Capturing Iteration Variables （重要：闭包捕获循环变量的坑）
• 5.7 Variadic Functions
• 5.8 Deferred Function Calls
• 5.9 Panic
• 5.10 Recover

6. Methods

./drafts/go.06.methods.md

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

7. Interface

./drafts/go.07.interfaces.md

• 7.1 Interfaces as Contracts
• 7.2 Interface Types
• 7.3 Interface Satisfaction
• 7.4 Parsing Flags with flag.Value
• 7.5 Interface Values
  • 7.5.1 Caveat: An Interface Containing a Nil Pointer Is Non-Nil
• 7.6 Sorting with sort.Interface
• 7.7 The http.Handler Interface
• 7.8 The error Interface
• 7.9 Example: Expression Evaluator （很实用：手写 ast 以及 eval ）
• 7.10 Type Assertions
• 7.11 Discriminating Errors with Type Assertions
• 7.12 Querying Behaviors with Interface Type Assertions
• 7.13 Type Switches （使用 x.(type) ）
• 7.14 Example: Token-Based XML Decoding
• 7.15 A Few Words of Advice

8. Goroutines and Channels

./drafts/go.08.goroutines-and-channels.md

• 8.1 Goroutines
• 8.2 Example: Concurrent Clock Server
• 8.3 Example: Concurrent Echo Server
• 8.4 Channels
  • 8.4.1 Unbuffered Channels
  • 8.4.2 Pipelines
  • 8.4.3 Unidirectional Channel Types
  • 8.4.4 Buffered 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

./drafts/go.09.concurrency-with-shared-variables.md

• 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 （一个键值对一个锁？不，人均 entry 做 chan broadcast ）
• 9.8 Goroutines and Threads （重要）
  • 9.8.1 Growable Stacks
  • 9.8.2 Goroutine Scheduling
  • 9.8.3 GOMAXPROCS
  • 9.8.4 Goroutines Have No Identity

10. Packages and the Go Tool

./drafts/go.10.packages-and-the-go-tool.md

• 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
  • 10.7.1 Workspace Organization
  • 10.7.2 Downloading Packages
  • 10.7.3 Building Packages
  • 10.7.4 Documenting Packages
  • 10.7.5 Internal Packages
  • 10.7.6 Querying packages

11. Testing

./drafts/go.11.testing.md

• 11.1 The go test Tool
• 11.2 Test Functions
  • 11.2.1 Randomized Testing
  • 11.2.2 Testing a Command
  • 11.2.3 White-Box Testing
  • 11.2.4 External Test Packages
  • 11.2.5 Writing Effective Tests
  • 11.2.6 Avoiding Brittle Tests
• 11.3 Coverage
• 11.4 Benchmark Functions
• 11.5 Profiling
• 11.6 Example Functions

12. Reflection

./drafts/go.12.reflection.md

• 12.1 Why Reflection （检测是否已存在 Stringer 方法）
• 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

./drafts/go.13.low-level-programming.md

• 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