go编程语言短语手册完整pdf扫描版

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Table of Contents
1Introducing Go1
Go and C1
Why Go?4
Goroutines and Channels7
Selecting a Compiler10
Creating a Simple Go Program13
The Go Type System14
Understanding the Memory Model162AGo Primer21
The Structure of a Go Source File 23
Declaring Variables26
Declaring Functions 29
Looping in Go32
Creating Enumerations 35
Declaring Structures37
Defining Methods39
Implementing Interfaces42
Casting Types47
Converting Between Strings and Numbers 52
Converting Between Numbers and Pointers 56
4Common Go Patterns61
Contents
Zero Initialization62
Generic Data Structures67
Specialized Generic Data Structures 69
Implementation Hiding72
Type Embedding75
5Arrays and Slices79
Creating Arrays81
Slicing Arrays83
Resizing Slices85
Truncating Slices87
Iterating Over Arrays88
6Manipulating Strings91
Comparing Strings92
Processing a String One Character at a
Time94
Processing a Partial String96
Splitting and Trimming Strings98
Copying Strings102
Creating Strings from Patterns102
Matching Patterns in Strings104
7Working with Collections107
Creating a Map108
Storing Unordered Groups of Objects 111
Using Lists112
Defining New Collections114
Contents
8 Handling Errors117
Deferring Cleanup118
Panicking and Recovering 121
Returning Error Values125
Error Delegates127
9Goroutines131
Creating Goroutines131
Synchronizing Goroutines134
Waiting for a Condition137
Performing Thread-Safe Initialization 140
Performing Actions in the Background 142
Communicating Via Channels144
Using Multiple Channels14810Concurrency Design Patterns151
Timing Out Connections 152
Aliased xor Mutable154
Share Memory by Communicating156
Transactions by Sharing Channels159
Concurrent Objects162
Implementing Futures in Go164
Coalescing Events166
Map Reduce,Go Style 16811Dates and Times175
Finding the Current Date176
Converting Dates for Display 177
vi Contents
Parsing Dates from Strings179
Calculating Elapsed Time180
Receiving Timer Events181
12 Accessing Files and the Environment 183
Manipulating Paths184
Reading a File186
Reading One Line at a Time 188
Determining if a File or Directory Exists 190
Checking Environment Variables192
13 Network Access195
Connecting to Servers 196
Distributing Go199
Serving Objects204
Calling Remote Procedures 206
14Web Applications207
Integrating with a Web Server208
Connecting to Web Servers211
Parsing HTML213
Generating HTML216
15 Interacting with the Go Runtime 219
Finding the Type of a Variable 220
Finalizing Structures223
Copying Arbitrary Types226
Constructing Function Calls228
Calling CFunctions230
Contents vii
16 Distributing Go Code 233
Installing Third-Party Packages234
Creating Packages236
Documenting Your Code240
Staying Up to Date241
17Debugging Go243
Using a Debugger243
Misunderstanding Memory Ordering247
Spotting Concurrency Bugs 249
Restricting Behavior252
Building Unit Tests257
Index259

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