Russian Qt Forum

void MyClass::calculationFunc(const QVector& list)
{
   for(int i = 0; i < list.size(); i++)
  {
          my work
  }
}

for(int n = 0;  n < 3; n++)
{
     QThread* thread = new QThread(this);
     ......здесь не знаю что писать
}

class MyClass
{
public:
    MyClass()
    {

    }
    void hello(QString name, long long value)
    {
        int xx =_intValue;
        long long x = value;//2111111111;
        while(x)
            x--;
        qDebug() << "Hello" << name << "from" << QThread::currentThread();
    }
private:
    int _intValue = 4;
};

int main(int argc, char *argv[])
{

    QApplication a(argc, argv);
    MyClass class1;
    QFuture<void> f1 = QtConcurrent::run(&class1,&MyClass::hello, QString("Alice"), 2111111111);
    QFuture<void> f2 = QtConcurrent::run(&class1,&MyClass::hello, QString("Bob"), 3111111111);
    f1.waitForFinished();
    f2.waitForFinished();
return 0;
}

int count_thread = QThread::idealThreadCount()-1;
    QFuture <void> f;
    for(int i = 0; i < count_thread; i++)
    {
        f = QtConcurrent::run(_managerObj,&iManager::calcRebate, i);
    }
    f.waitForFinished();

int count_thread = QThread::idealThreadCount()-1;
    std::vector<QFuture<void>> futures;
    futures.reserve(count_thread);
    for(int i = 0; i < count_thread; i++)
    {
        futures.push_back(QtConcurrent::run(_managerObj,&iManager::calcRebate, i));
    }
    for (auto &f: futures) // const auto?
         f.waitForFinished();

int count_thread = QThread::idealThreadCount()-1;
    std::vector<i> tasks;
    tasks.reserve(count_thread);
    for(int i = 0; i < count_thread; i++)
    {
        tasks.push_back(i);
    }
    const auto future = QtConcurrent::map([&_managerObj](int i){ _managerObj->calcRebate(i); return i; }, tasks);
    future.waitForFinished();

QVector<QString> listStr;
    QVector<long long> listLong;
    auto future = QtConcurrent::map([&classObj](QString str,long long l){ classObj.incrCalc(str,l); return str; }, listStr,listLong);

MainWindow* w = new MainWindow();
w->show();

simpleCalculateClass classObj;

std::vector <QFuture<QString>> listFuncs;
int count_thread = QThread::idealThreadCount()-1;
for(int i = 0; i < count_thread; i++)
    listFuncs.push_back(QtConcurrent::run(&classObj,&simpleCalculateClass::incrCalc, QString::number(i), 1111111111));