The following code example is taken from the book
C++ Templates - The Complete Guide
by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
© Copyright David Vandevoorde and Nicolai M. Josuttis 2002
#include <stddef.h>
#include <iostream>
template <typename T>
class TypeSize {
public:
static size_t const value = sizeof(T);
};
int main()
{
std::cout << "TypeSize<int>::value = "
<< TypeSize<int>::value << std::endl;
}