problem with QtConcurrent::run

[etognoni]

How to run:

QFuture <void> future = QtConcurrent::run(client);

QFuture <void> future = QtConcurrent::run(client);

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error: no matching function for call to 'run(Client&, int)'
I cant find the good way to declare class Client, client(), param... , arg....

main.cpp
...
Client client;   
QFuture <void> future = QtConcurrent::run(client);
....
 
file.h
....
class Client: public QObject
{
    Q_OBJECT
    public:
        Client(QObject* parent = 0);
        ~Client();
        void start(QString address, quint16 port);
 
    public slots:
        void startTransfer();
 
    private:
        QTcpSocket client;
};
....

main.cpp
...
Client client;   
QFuture <void> future = QtConcurrent::run(client);
....

file.h
....
class Client: public QObject
{
    Q_OBJECT
    public:
        Client(QObject* parent = 0);
        ~Client();
        void start(QString address, quint16 port);

    public slots:
        void startTransfer();

    private:
        QTcpSocket client;
};
....

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