help flag

dream-mo · dream-mo · commit b5b2276828aa · 2022-12-06T18:15:49.000+08:00
diff --git a/main.go b/main.go
@@ -30,7 +30,8 @@ func main() {
 		}
 	}()
 
-	_, err := flags.ParseArgs(&opts, os.Args)
+	p := flags.NewParser(&opts, flags.HelpFlag)
+	_, err := p.ParseArgs(os.Args)
 	if err != nil {
 		panic(err)
 	}

Original file line number	Diff line number	Diff line change
`@@ -30,7 +30,8 @@ func main() {`
`30`	`30`	`}`
`31`	`31`	`}()`
`32`	`32`
`33`		`- _, err := flags.ParseArgs(&opts, os.Args)`
	`33`	`+ p := flags.NewParser(&opts, flags.HelpFlag)`
	`34`	`+ _, err := p.ParseArgs(os.Args)`
`34`	`35`	`if err != nil {`
`35`	`36`	`panic(err)`
`36`	`37`	`}`