我正在尝试为NSInputStream和NSOutputStream设置NSNetService上的Bonjour连接。getInputStream方法需要UnsafeMutablePointer<NSInputStream?>类型的参数。public func getInputStream(inputStream: UnsafeMutablePointer<NSInputStream?当我尝试这样做时,我会得到以下错误:
Error:(52, 13) value of type 'UnsafeMutablePo