package main import ( "fmt" flag "github.com/docker/docker/pkg/mflag" ) var ( i int str string b, b2, h bool ) func init() { flag.Bool([]string{"#hp", "#-halp"}, false, "display the halp") flag.BoolVar(&b, []string{"b", "#bal", "#bol", "-bal"}, false, "a simple bool") flag.BoolVar(&b, []string{"g", "#gil"}, false, "a simple bool") flag.BoolVar(&b2, []string{"#-bool"}, false, "a simple bool") flag.IntVar(&i, []string{"-integer", "-number"}, -1, "a simple integer") flag.StringVar(&str, []string{"s", "#hidden", "-string"}, "", "a simple string") //-s -hidden and --string will work, but -hidden won't be in the usage flag.BoolVar(&h, []string{"h", "#help", "-help"}, false, "display the help") flag.StringVar(&str, []string{"mode"}, "mode1", "set the mode\nmode1: use the mode1\nmode2: use the mode2\nmode3: use the mode3") flag.Parse() } func main() { if h { flag.PrintDefaults() } else { fmt.Printf("s/#hidden/-string: %s\n", str) fmt.Printf("b: %t\n", b) fmt.Printf("-bool: %t\n", b2) fmt.Printf("s/#hidden/-string(via lookup): %s\n", flag.Lookup("s").Value.String()) fmt.Printf("ARGS: %v\n", flag.Args()) } }