#include<iostream>
using namespace std;
 
template<class T> struct Help
{
    static size_t doSomething()
    {
        cout<<"calling Work with param U";  return sizeof(T);
    }
};
template<> struct Help<float>
{
    static size_t doSomething()
    {
        cout<<"calling Work with param float";  return sizeof(float);
    }
};
 
template <class T, template <class> class V> struct CAttrib : Help<T>{};
 
 
template<class T> struct Test {};
 
int main()
{
    cout<< CAttrib<int, Test>::doSomething()<<endl;
    cout<< CAttrib<float, Test>::doSomething()<<endl;
}

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