Learn Go programming
Learn Go programming
Go Study Notes Version 1.0 dated 16th Aug. 2015
About the Book
License
About the Author
About the Contributors
Reviewer
Table of Contents
-
Preface
- Who is the eBook for?
- What will you learn?
- Using code examples
- Errata
- Acknowledgements
- How to contact me?
- Thanks
- How to use this eBook
-
1. Introduction
- 1.1 What is Go?
- 1.2 Go Recent History
- 1.3 Go Authors
- 1.4 Why Go?
-
2. Learn Go programming
- 2.1 Comments
- 2.2 Statements
-
2.3 Identifiers
- 2.3.1 Blank identifier
- 2.3.2 Pre-declared identifiers
- 2.4 Keywords
- 2.5 package
-
2.6 import
- 2.6.1 Aliasing of imports
- 2.6.2 Removing explicit package reference
- 2.7 functions
- 2.8 String literal
-
2.9 Numbers
- 2.9.1 Integers
- 2.9.2 Floating Point Numbers
- 2.9.3 Some default values
-
2.10 Console output
- 2.10.1 Print and Println
- 2.10.2 Formatting using Printf
- 2.11 Console input
- 2.12 Command-line arguments - Args
- 2.13 Solutions
-
3. Variables, Constants, and Types
- 3.1 Variable
-
3.2 Constants
- 3.2.1 Typed and Untyped constants
- 3.3 Named types
- 3.4 Boolean types
-
3.5 Operators
- 3.5.1 Boolean Operators
- 3.5.2 Arithmetic Operators
- 3.5.3 Bitwise Operators
- 3.6 Solutions
-
4. Control Structures
- 4.1 if-else
- 4.2 goto statement
-
4.3 switch
- 4.3.1 fallthrough statement
- 4.4 for loop
- 4.5 Solutions
-
5. Pointers
- 5.1 Solutions
-
6. More on Functions
- 6.1 A function can have multiple return values. Some examples:
- 6.2 A function can take zero or more arguments
- 6.3 Named return values
- 6.4 What’s the idiomatic way to exit a program with some error code?
- 6.5 Variadic Functions
- 6.6 Closures
- 6.7 Recursion
- 6.8 Solutions
-
7. Detailed information
- 7.1 Semicolons
- 7.2 init
- 7.3 Formatting
-
7.4 More on Strings
- 7.4.1 String functions
- 7.5 defer
- 7.6 Using the log package
- 7.7 Using the big package
- 7.8 go vet
- 7.9 golint
- 7.10 goimports
- 7.11 Naming Convention Summary
- 8. Arrays
-
9. Slices
- 9.1 Slice Functions
- 9.2 Slice internals
- 9.3 Passing a slice to a function
-
10. Range
- 10.1 Variadic Functions using range
- 11. Maps
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12. Structs
- 12.1 What’s the difference between pointer and non-pointer method receivers?
- 12.2 Solutions
-
13. interface
- 13.1 The interface{} type
- 13.2 Solutions
- 14. Error
-
15. io, os and net/http - Getting started
- 15.1 io
- 15.2 os
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15.3 TCP and net/http
- 15.3.1 Basic Networking
- 15.3.2 Port
- 15.3.3 Internet Addresses
- 15.3.4 net/http
- 16. Random Numbers
-
17. File Handling
- 17.1 Package ioutil
-
17.2 Package os
- 17.2.1 read_file_os1.go
- 17.2.2 read_file_os2.go
- 17.2.3 write_file_os.go
- 17.2.4 read_dir_os.go
-
17.3 Package bufio
- 17.3.1 NewReader
- 17.3.2 Peek
- 17.3.3 NewWriter
- 17.4 Solutions
-
18. JSON and Go
- 18.1 JSON
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18.2 Package json
- 18.2.1 Encoding
- 18.2.2 Struct tags
- 18.2.3 Decoding
- 18.2.4 Streaming Encoders and Decoders
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18.3 A Fun, Weather Forecast Go Web App
- 18.3.1 Register for an account at Forecast for Developers
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19. TCP programming using Go
- 19.1 TCP Sockets
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19.2 Package net
- 19.2.1 TCP Client
- 19.2.2 A Daytime server
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20. Unit testing and Benchmarking Go programs
- 20.1 Testing
- 20.2 Benchmarks
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21. Concurrency
- 21.1 Goroutines
-
21.2 Channels
- 21.2.1 Channel direction
- 21.2.2 Unbuffered channel
-
22. Additional Exercises
- 22.1 Solutions
-
23. Additional Reading
- 23.1 Testable Examples in Go
-
Appendix A
- Downloading Go
-
Install the Go tools
- Test your installation
-
Go Code Organization
- Workspaces
- The GOPATH environment variable
- Package paths
- Editing a Go program
- A Go program
-
Appendix B - Project: redditnews for Baby Gophers
-
Use GitHub
- Create an account
- Set up Git
- Complete Appendix A
- redditnews.go (First Iteration)
-
Use GitHub
-
Appendix C - Build, deploy webapps to cloud
- Complete Appendix A
- A basic Go web app
- Static Sites with Go
- Deploying Go Web Apps to Heroku
-
Cloud Computing Service Levels
- SaaS
- IaaS
- PaaS
- Program webapp_h.go
- Create an account on Heroku
- Install the Heroku Toolbelt
- Create a Procfile
- Use Git
- Install Godep
- Heroku deploy
-
A brief note on Heroku
- Troubleshooting
- Heroku’s Architecture
- Slugs
- License
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