Introduction to The Go Programming Language

A quick look at Go and what makes it special.

Icons: @iconmonstr
Photos: http://peterhellberg.vsco.co/

Transcript

1. Introduction to The Go Programming Language
2. @peterhellberg
3. September 21, 2007
4. March 28, 20
5. Go 1
6. What is Go?
7. Go is about composition, concurrency, and gophers. ! Keep that in mind.
8. Composition
9. Go is Object Oriented, but: - NO classes - NO subtype inheritance - Interfaces are satisfied implicitly
11. A statically-typed language with syntax loosely derived from that ofC
12. Concise variable declaration and initialization through type inference (x := 0 not int x = 0)
13. Built-in concurrency primitives: - goroutines - channels - select
14. CSP http://en.wikipedia.org/wiki/Communicating_sequential_processes
16. A fully garbage collected language With complete control over memory layout.
17. Compilation Cross c
18. Native machine code (32-bit and 64-bit x86, ARM)
21. ‘Batteries included’ standard library
22. net archive database crypto encoding unicode compress
25. Hello World!
26. package main ! import “fmt" ! func main() { fmt.Println(“Hello World!”) }
27. Hello World! delivered over HTTP
28. package main ! import ( “fmt" “net/http" ) ! func main() { http.HandleFunc(“/", func(w http.ResponseWriter, r *http.Request) { fmt.Fprintln(w, “Hello", r.URL.Path[1:]) }) ! http.ListenAndServe(“:8080", nil) }
29. curl http://:8080/World! go run hello_server.go
30. 25 50 75 100 Oct 09 Oct 10 Oct 11 Oct 12 Oct 13 Popularity Numbers represent search interest relative to the highest point on the chart.
31. – gobyexample.com cAB Reading material BDa – learnxinyminutes.com/docs/go – golang.org/doc