Re: template with STL container

On Tue, 04 Oct 2011 16:16:00 +0200, softwareEngineer wrote:


In which case, the values need a common base class, e.g.:

        class MY_Value {
        ...
        };

        template <typename T>
        class MY_Value_T : public MY_Value {
        ...
        };

        std::vector<MY_Value*> v;

        MyValue_T<int> iV1 = 1;
        MyValue_T<float> iV2 = 2.1;
        v[0] = static_cast<MY_Value*>(&iV1);
        v[1] = static_cast<MY_Value*>(&iV2);

Casting the vector elements back to their correct type is a bit more
involved, as you need to know what their correct type is, either by
using RTTI or by explicitly adding a tag field to the base class.