Golang getting started
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Go is a statically-typed, garbage-collected programming language that is fast, supports concurrency, and has built-in support for remote package management. It is well-suited for building network servers and applications with non-blocking I/O. The document provides examples of writing a simple "Hello World" program, building a basic HTTP server, and using goroutines for concurrency. It also outlines how to install Go, set up a development environment, and find additional learning resources.
Golang getting started
- 1. Golang Getting started Not a talk reference deck
- 2. What is go? Statically-typed language //resembles C Concurrency Garbage collection Type safety with some dynamic typing Fast compilation Remote package management Great builtins C + some Awesome stuff
- 3. The Mandatory http://play.golang.org/p/OccSs5jC9Y package main import "fmt func main() { fmt.Println("Hello World!") }
- 4. Built for networks A simple server package main import "fmt Import "net/http func hello(w http.ResponseWriter, r *http.Request) { fmt.Fprint(w, "Hello Client") //write response } func main() { http.HandleFunc("/", hello //attach handler http.ListenAndServe(":8080, nil) //start server }
- 5. Concurrency Green Threading like python goroutines no Gil like limitations https://gobyexample.com/goroutines Utilize multiple cores goroutines can be run on multiple threads
- 6. External pacakges go get <package_name> e.g. go get github.com/goibibo/gorpc Installs to your specified path easily install forks Also checkout godep, https://github.com/tools/godep for better managing dependencies of your project
- 7. Builtins Just checkout https://golang.org/pkg/ You can see the source at https://golang.org/src/
- 8. Start- tour Take the tour, complete it tour.golang.org Check http://openmymind.net/The- Little-Go-Book/ for a light introduction
- 9. Start- install Install locally (1.4 for now) http://golang.org/doc/install Or the docker image if you prefer https://hub.docker.com/r/google/golang/
- 10. Start more stuff How to write Go code Effective Go http://golang.org/doc/effective_go.html Best Practices https://talks.golang.org/2013/bestpractic es.slide#1
- 11. Start some more stuff Organising Go code by David Crawshaw, presented at Google I/O 2014. Contributing to Open Source Git Repositories in Go by Katrina Owen.
- 12. Dev Environment - editors Sublime Text 3 http://eefret.me/making-sublime-your-golang-ide/ LiteIde http://www.i-programmer.info/programming/other- languages/6600-a-programmers-guide-to-go-with- liteide-part-1.html
- 13. Dev Environment tools go fmt golint
- 14. Right tool for the right problem Good for Backend APIs Process Heavy stuff Non blocking IO, service calls Not so great Templating ORMs But still growing