func (c *_Conn) ok() error {
	if c.isClosed() {
		return errors.New("client connection is closed")
	}
	return nil
}
// Check read ok status.
Check read ok status.
// Check read ok status .
func (c *_Conn) ok() error {
	if c.isClosed() {
		return errors.New("client connection is closed")
	}
	return nil
}
func ( c * _Conn ) ok ( ) error { if c . isClosed ( ) { return errors . New ( " " ) } return nil }
Check read ok status.
Check read ok status .