How to catch exceptions in Qt?

Question

try
{  // `count()` throws exception
  connect(thread, SIGNAL(started()), engine, SLOT(count()));  
}
catch(const X& e)
{}

As of Qt-5, I get follow

Answer 1

You can try this for an example, to see that your solution is good:

int f()
{
    throw 1;
    return 5;
}

void g(int x)
{
    cout << x << endl;
}

int main()
{
    try {
            g(f());
    }catch(int)
    {
        cout << "Caught exception" << endl;
    }
}