github.com/wulonghui/docker@v1.8.0-rc2/pkg/mflag/example/example.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  
     6  	flag "github.com/docker/docker/pkg/mflag"
     7  )
     8  
     9  var (
    10  	i        int
    11  	str      string
    12  	b, b2, h bool
    13  )
    14  
    15  func init() {
    16  	flag.Bool([]string{"#hp", "#-halp"}, false, "display the halp")
    17  	flag.BoolVar(&b, []string{"b", "#bal", "#bol", "-bal"}, false, "a simple bool")
    18  	flag.BoolVar(&b, []string{"g", "#gil"}, false, "a simple bool")
    19  	flag.BoolVar(&b2, []string{"#-bool"}, false, "a simple bool")
    20  	flag.IntVar(&i, []string{"-integer", "-number"}, -1, "a simple integer")
    21  	flag.StringVar(&str, []string{"s", "#hidden", "-string"}, "", "a simple string") //-s -hidden and --string will work, but -hidden won't be in the usage
    22  	flag.BoolVar(&h, []string{"h", "#help", "-help"}, false, "display the help")
    23  	flag.StringVar(&str, []string{"mode"}, "mode1", "set the mode\nmode1: use the mode1\nmode2: use the mode2\nmode3: use the mode3")
    24  	flag.Parse()
    25  }
    26  func main() {
    27  	if h {
    28  		flag.PrintDefaults()
    29  	} else {
    30  		fmt.Printf("s/#hidden/-string: %s\n", str)
    31  		fmt.Printf("b: %t\n", b)
    32  		fmt.Printf("-bool: %t\n", b2)
    33  		fmt.Printf("s/#hidden/-string(via lookup): %s\n", flag.Lookup("s").Value.String())
    34  		fmt.Printf("ARGS: %v\n", flag.Args())
    35  	}
    36  }