sizeof.cpp

The following code example is taken from the book
C++ Templates - The Complete Guide, 2nd Edition
by David Vandevoorde, Nicolai M. Josuttis, and Douglas Gregor,
Addison-Wesley, 2017
© Copyright David Vandevoorde, Nicolai M. Josuttis, Douglas Gregor 2017


#include <cstddef>
#include <iostream>

template<typename T>
struct TypeSize {
    static std::size_t const value = sizeof(T);
};

int main()
{
    std::cout << "TypeSize<int>::value = "
              << TypeSize<int>::value << '\n';
}