Go Recipes: Practical Projects

Complete projects to learn common app-related tasks in the Go programming language.

Introduction

• Recipes for practical projects with Go
• What you should know

1. The Basics

• Working with numbers in Go
• Go slices
• Working with maps in Go
• Go error handling
• Using defer to manage resources
• Go panic recovery
• Challenge: Writing a filter
• Solution: Writing a filter

2. Working with Time

• Time arithmetic
• Measuring time
• Formatting time
• Parsing time
• Time zone conversion
• Challenge: Time
• Solution: Time

3. Working with Text

• Go string formatting
• Working with Unicode in Go
• Case insensitive comparisons in Go
• Go regular expressions
• Reading text files with Go
• Challenge: Text
• Solution: Text

4. Structs, Methods, and Interfaces

• Go structs
• Go methods
• Go interfaces
• The empty interface
• Working with iota in Go
• Structs, methods, and interfaces
• Challenge: Structs, methods, and interfaces
• Solution: Structs, methods, and interfaces

5. Working with JSON

• Unmarshalling JSON with Go
• Parsing complex JSON with Go
• Marshalling JSON with Go
• Dealing with zero and missing values in Go
• Using mapstructure to handle arbitrary JSON
• Challenge: JSON
• Solution: JSON

6. HTTP

• HTTP calls in Go
• Authentication with Go
• Writing an HTTP server in Go
• REST with gorilla/mux
• Challenge: HTTP
• Solution: HTTP

7. Concurrency

• Converting sequential code to concurrent in Go
• Timeouts in Go
• sync.WaitGroup
• sync.Once
• Using a pool of goroutines
• sync/atomic
• Challenge: Concurrency
• Solution: Concurrency

Conclusion

• Next steps