The Go Programming Language Phrasebook

Table of Contents......Page 4
 Go and C......Page 12
 Why Go?......Page 15
 Goroutines and Channels......Page 18
 Selecting a Compiler......Page 21
 Creating a Simple Go Program......Page 24
 The Go Type System......Page 25
 Understanding the Memory Model......Page 27
2 A Go Primer......Page 32
 The Structure of a Go Source File......Page 34
 Declaring Variables......Page 37
 Declaring Functions......Page 40
 Looping in Go......Page 43
 Creating Enumerations......Page 46
 Declaring Structures......Page 48
 Defining Methods......Page 50
 Implementing Interfaces......Page 53
 Casting Types......Page 58
3 Numbers......Page 62
 Converting Between Strings and Numbers......Page 63
 Using Large Integers......Page 65
 Converting Between Numbers and Pointers......Page 67
4 Common Go Patterns......Page 72
 Zero Initialization......Page 73
 Generic Data Structures......Page 78
 Specialized Generic Data Structures......Page 80
 Implementation Hiding......Page 83
 Type Embedding......Page 86
5 Arrays and Slices......Page 90
 Creating Arrays......Page 92
 Slicing Arrays......Page 94
 Resizing Slices......Page 96
 Truncating Slices......Page 98
 Iterating Over Arrays......Page 99
6 Manipulating Strings......Page 102
 Comparing Strings......Page 103
 Processing a String One Character at a Time......Page 105
 Processing a Partial String......Page 107
 Splitting and Trimming Strings......Page 109
 Creating Strings from Patterns......Page 113
 Matching Patterns in Strings......Page 115
7 Working with Collections......Page 118
 Creating a Map......Page 119
 Storing Unordered Groups of Objects......Page 122
 Using Lists......Page 123
 Defining New Collections......Page 125
8 Handling Errors......Page 128
 Deferring Cleanup......Page 129
 Panicking and Recovering......Page 132
 Returning Error Values......Page 136
 Error Delegates......Page 138
 Creating Goroutines......Page 142
 Synchronizing Goroutines......Page 145
 Waiting for a Condition......Page 148
 Performing Thread-Safe Initialization......Page 151
 Performing Actions in the Background......Page 153
 Communicating Via Channels......Page 155
 Using Multiple Channels......Page 159
10 Concurrency Design Patterns......Page 162
 Timing Out Connections......Page 163
 Aliased xor Mutable......Page 165
 Share Memory by Communicating......Page 167
 Transactions by Sharing Channels......Page 170
 Concurrent Objects......Page 173
 Implementing Futures in Go......Page 175
 Coalescing Events......Page 177
 Map Reduce, Go Style......Page 179
11 Dates and Times......Page 186
 Finding the Current Date......Page 187
 Converting Dates for Display......Page 188
 Parsing Dates from Strings......Page 190
 Calculating Elapsed Time......Page 191
 Receiving Timer Events......Page 192
12 Accessing Files and the Environment......Page 194
 Manipulating Paths......Page 195
 Reading a File......Page 197
 Reading One Line at a Time......Page 199
 Determining if a File or Directory Exists......Page 201
 Checking Environment Variables......Page 203
13 Network Access......Page 206
 Connecting to Servers......Page 207
 Distributing Go......Page 210
 Serving Objects......Page 215
 Calling Remote Procedures......Page 217
14 Web Applications......Page 218
 Integrating with a Web Server......Page 219
 Connecting to Web Servers......Page 222
 Parsing HTML......Page 224
 Generating HTML......Page 227
15 Interacting with the Go Runtime......Page 230
 Finding the Type of a Variable......Page 231
 Finalizing Structures......Page 234
 Copying Arbitrary Types......Page 237
 Constructing Function Calls......Page 239
 Calling C Functions......Page 241
16 Distributing Go Code......Page 244
 Installing Third-Party Packages......Page 245
 Creating Packages......Page 247
 Documenting Your Code......Page 251
 Staying Up to Date......Page 252
 Using a Debugger......Page 254
 Misunderstanding Memory Ordering......Page 258
 Spotting Concurrency Bugs......Page 260
 Restricting Behavior......Page 263
 Building Unit Tests......Page 268
 D......Page 270
 G......Page 271
 M......Page 272
 P......Page 273
 S......Page 274
 Z......Page 275