pkg/flags/urls.go
func (us *URLsValue) String() string {
	all := make([]string, len(*us))
	for i, u := range *us {
		all[i] = u.String()
	}
	return strings.Join(all, ",")
}
func (us *URLsValue) String() string {
	all := make([]string, len(*us))
	for i, u := range *us {
		all[i] = u.String()
	}
	return strings.Join(all, ",")
}
func ( us * URLsValue ) String ( ) string { all := make ( [ ] string , len ( * us ) ) for i , u := range * us { all [ i ] = u . String ( ) } return strings . Join ( all , " " ) }
// String implements "flag.Value" interface.
String implements flag . Value interface .