The Go Programming Language Phrasebook

David Chisnall is a freelance writer and software developer, who has worked on compilers for numerous languages ranging from Smalltalk to GPU-based C++. He is an active contributor to a number of open source projects and occasionally visits academia to teach. He is the author of Cocoa Programming Developer's Handbook (Addison-Wesley, 2009) and Objective-C Phrasebook (Addison-Wesley, 2011). He lives in Swansea, Wales.

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 Go...