C++ template operator overloading with different types

Question

The example below defines a basic podtype container class. Using this class a series of typedefs are then created which represent an OOP version of the basic podtype. The pr

Answer 1

You need a templated operator + because you are trying to add different types:

template <typename U>
PodObject<T> operator+= (PodObject<U> const &rhs){
    this->_value = rhs._value;
    return *this;
}

That said, the whole code looks like an anti-pattern. Your “OOP version of the basic podtype” is not a meaningful, nor generally useful, concept.