tomtsang

switch initialization {
	case val1:
		...
	case val2:
		...
	default:
		...
}

switch result := calculate(); {

tomtsang

switch {
	case condition1:
		...
	case condition2:
		...
	default:
		...
}

tomtsang

switch var1 {
	case val1:
		...
	case val2:
		...
	default:
		...
}

tomtsang

if value, ok := readData(); ok {
…
}

tomtsang

if err := file.Chmod(0664); err != nil {
	fmt.Println(err)
	return err
}

tomtsang

if err != nil {
	fmt.Printf("Program stopping with error %v", err)
	os.Exit(1)
}