Examples about how to do basic things in Go

bla_test.go

package main

import (
  "fmt"
  "io/ioutil"
  "os"
  "./mypackage"
)

// The Bla1 example tests if the output matches
func ExampleBla1() {
  fmt.Println("Bla")

  // Output:
  //  Bla
}

func ExampleReadFile() {
  // http://golang.org/pkg/io/ioutil/#WriteFile
  writeError := ioutil.WriteFile("data.txt", []byte("holi"), os.ModePerm)

  if writeError != nil {
    panic(writeError)
  }

  // http://golang.org/pkg/io/ioutil/#ReadFile
  bytes, readError := ioutil.ReadFile("data.txt")

  if readError != nil {
    panic(readError)
  }

  fmt.Println(bytes)
  fmt.Println(string(bytes))

  // Output:
  // [104 111 108 105]
  // holi
}

func ExampleFunctions() {
  fmt.Println(mypackage.Mysplit("oh no"))
  fmt.Println(mypackage.Myjoin(mypackage.Mysplit("oh no")))
  // Output:
  // [oh no]
  // oh|no
}

mypackage_stringshandling.go

package mypackage

import (
  "strings"
)

func Mysplit(sentence string) []string {
  // http://golang.org/pkg/strings/#Join
  return strings.Split(sentence, " ")
}

func Myjoin(parts []string) string {
  // http://golang.org/pkg/strings/#Split
  return strings.Join(parts, "|")
}

Run with go test