#include <iostream>
#include <cstdlib>
#include <string>
using namespace std;

template <class T>
string name();   //general-purpose template deliberately undefined

template <> inline string name<char>()   {return "char";}
template <> inline string name<int>()    {return "int";}
template <> inline string name<double>() {return "double";}
//etc.

template <class T>
inline void print(const T& t) {
	cout << static_cast<const void *>(&t) << ": "
		<< name<T>() << " ("  << sizeof (T) << " bytes) " << t << "\n";
}

int main()
{
	char c = 'A';
	int i = 10;
	double d = 3.14;

	print(c);
	print(i);
	print(d);

	return EXIT_SUCCESS;
}