Chisnall, D: Go Programming Language Phrasebook

1 Introducing Go 1 Go and C 1 Why Go? 4 Goroutines and Channels 7 Selecting a Compiler 10 Creating a Simple Go Program 13 The Go Type System 14 Understanding the Memory Model 16 2 A Go Primer 21 The Structure of a Go Source File 23 Declaring Variables 26 Declaring Functions 29 Looping in Go 32 Creating Enumerations 35 Declaring Structures 37 Defining Methods 39 Implementing Interfaces 42 Casting Types 47 3 Numbers 51 Converting Between Strings and Numbers 52 Using Large Integers 54 Converting Between Numbers and Pointers 56 4 Common Go Patterns 61 Zero Initialization 62 Generic Data Structures 67 Specialized Generic Data Structures 69 Implementation Hiding 72 Type Embedding 75 5 Arrays and Slices 79 Creating Arrays 81 Slicing Arrays 83 Resizing Slices 85 Truncating Slices 87 Iterating Over Arrays 88 6 Manipulating Strings 91 Comparing Strings 92 Processing a String One Character at a Time 94 Processing a Partial String 96 Splitting and Trimming Strings 98 Copying Strings 102 Creating Strings from Patterns 102 Matching Patterns in Strings 104 7 Working with Collections 107 Creating a Map 108 Storing Unordered Groups of Objects 111 Using Lists 112 Defining New Collections 114 8 Handling Errors 117 Deferring Cleanup 118 Panicking and Recovering 121 Returning Error Values 125 Error Delegates 127 9 Goroutines 131 Creating Goroutines 131 Synchronizing Goroutines 134 Waiting for a Condition 137 Performing Thread-Safe Initialization 140 Performing Actions in the Background 142 Communicating Via Channels 144 Using Multiple Channels 148 10 Concurrency Design Patterns 151 Timing Out Connections 152 Aliased xor Mutable 154 Share Memory by Communicating 156 Transactions by Sharing Channels 159 Concurrent Objects 162 Implementing Futures in Go 164 Coalescing Events 166 Map Reduce, Go Style 168 11 Dates and Times 175 Finding the Current Date 176 Converting Dates for Display 177 Parsing Dates from Strings 179 Calculating Elapsed Time 180 Receiving Timer Events 181 12 Accessing

David Chisnall is author of Objective-C Phrasebook, Second Edition. He is an active contributor to the GNUstep project and cofounded the Etoile project to build a desktop environment atop GNUstep. Chisnall has written several articles for informIT.com including a three-part series on Go for Objective-C Programmers.