Roman

struct OLS
{
  int RoomsCount;
  int floor;
  float square;
  OLS *ptr;
  friend bool operator==(OLS& a, OLS& b);
};

typedef OLS* pOLS;

bool operator==(OLS& a, OLS& b)
{
    return (a.RoomsCount == b.RoomsCount) &&
           (a.floor == b.floor) &&
           (a.square != b.square);
}

void CompAndFind(pOLS& str) 
{
  if(!str) return;// nullptr
  pOLS p = str;
  while(p->ptr)
  {
      if(*p == *(p->ptr))
      {
          show(p);
      }
      p = p->ptr;
  }
}

QStandardItemModel *model = new QStandardItemModel();
for (auto& x : tx->AddrsTo) 
{
  Qstring s(x.c_str()); 
  QStringList items = s.split(';');
  int sz = items.size();
  for(int i = 0; i < sz; ++i)
  {
    model->setItem(0, i, new QStandardItem(items[i]));
  }
}
this->findChild<QTableView*>("Adresses_tableView")->setModel(model);

#include <iostream>
#include <list>
#include <algorithm>
using namespace std;

template<typename Container, typename value>
bool remove_value(Container& c, value v)
{
    if(auto it{find(begin(c), end(c), v)}; it != end(c))
    {
        c.erase(it);
        return true;
    }
    return false;
}

int main()
{
    list<int> myList {1,2,3,4,5,6,7,8,9,10};
    
    //myList.erase(std::remove(myList.begin(), myList.end(), 7));
    
    /*if(auto it{find(myList.begin(), myList.end(), 7)}; it != myList.end())
    {
        myList.erase(it);
    }*/
       
    if(int value = 7; remove_value(myList, value))
    {
        cout << "removed value: " << value << endl;
    }
    else
    {
        cout << "value: " << value << " not found" << endl;
    }

    for(int v:myList)
    {
        std::cout << v << ' ';
    }
}

#include <QObject>
#include <QVector>
class Foo: public QObject
{
    Q_OBJECT
    Q_PROPERTY(QVector<bool> b READ getData WRITE setData)
public:
    Foo()
    {
        m_b.resize(30);
        for(auto &b:m_b)
        {
            b = true;
        }
    }
    QVector<bool> getData()
    {
        return m_b;
    }
    void inv()
    {
        for(auto &b:m_b)
        {
            b = !b;
        }
    }
    void setData(QVector<bool> b)
    {
        m_b = b;
    }

private:
     QVector<bool> m_b;
};

class Bar: public QObject
{
    Q_OBJECT
    Q_PROPERTY(QVector<bool> b WRITE setData)
public:
    Bar(){};
    void printData()
    {
        for(auto &b:m_b)
        {
            qDebug() << b << ' ';
        }
    }
    void setData(QVector<bool> b)
    {
        m_b = b;
    }
private:
     QVector<bool> m_b;
};

int main(int argc, char *argv[])
{
    Foo foo;
    Bar bar;
    bar.setData(foo.getData());
    bar.printData();
    
    qDebug() << "modify\n";

    foo.inv();
    bar.setProperty("b", foo.property("b"));
    bar.printData();
}