Learning Go

A lightning talk on my personal experience of starting to learn Go from the GDG Silicon Valley DevFest for 2014 held at Google.

Transcript

1. Sharif Salah Google Developer Expert 2014 Google+ profile @sharif_salah about.me/sharif.salah Learning Go
2. package main import "fmt" func main() { fmt.Println("Hello, 世界") }
3. Why Go?
4. Why Go? Expand my (and your) horizons!
5. 1. Interfaces
6. type Musician struct { Name string } type Singer interface { Sing() string } func (m *Musician) Sing() string { .. }
7. 2. Concurrency
8. func somefunc() { .. } func main() { go somefunc() }
9. var buffer chan string = make(chan string, 5)
10. func sender(buffer chan<- string) { for i := 0; i < 10; i++ { buffer <- "some message" fmt.Println(i) } }
11. func receiver(buffer <-chan string) { for { fmt.Println(<-buffer) } }
12. func main() { var buffer chan string = make(chan string, 5) sender(buffer) go receiver(buffer) var input string fmt.Scanln(&input) }
13. 0 1 2 3 4 fatal error: all goroutines are asleep - deadlock! ..
14. func main() { var buffer chan string = make(chan string, 5) go sender(buffer) go receiver(buffer) var input string fmt.Scanln(&input) }
15. 0 1 2 3 4 some message some message some message some message some message 5 ...
16. Go on Google Cloud Platform Compute Engine App Engine
18. Kubernetes
19. Resources
20. Get started with Go https://tour.golang.org/ https://play.golang.org/ https://io2014codelabs.appspot.com/static/codelabs/go-codelab/#1 https://cloud.google.com/appengine/docs/go/gettingstarted/introduction
22. These slides: http://goo.gl/LbmMVi Thank you!