Question

i am writing an application where in class inherits from vector and qt widget class as well and in one of the questions when i call a function as this->size() compiler is throwing an error

ambigious function call,

i am giving an example.

class A:public std::vector<int>,public Qwidget
{
    private :

    public:

      int getSize()
        { return this->size(); }
}

i know the problem is because of both vector and q

Answer 1

You need to explicitly qualify the call to size with the injected base class name that you actually want to refer to.

However, what you do is horribly evil. std::vector is not intended to be inherited from (and your code will never compile: it is a template). If you really need a sequence container with signal/slot shenanigans, you should use QList.