func (c *RPCClientDriver) rpcStringCall(method string) (string, error) {
	var info string

	if err := c.Client.Call(method, struct{}{}, &info); err != nil {
		return "", err
	}

	return info, nil
}
func (c *RPCClientDriver) rpcStringCall(method string) (string, error) {
	var info string

	if err := c.Client.Call(method, struct{}{}, &info); err != nil {
		return "", err
	}

	return info, nil
}
func ( c * RPCClientDriver ) rpcStringCall ( method string ) ( string , error ) { var info string if err := c . Client . Call ( method , struct { } { } , & info ) ; err != nil { return " " , err } return info , nil }
// Helper method to make requests which take no arguments and return simply a
// string, e.g. "GetIP".
Helper method to make requests which take no arguments and return simply a string e . g . GetIP .