Generic typeid function : generic typeid « template « C++ Tutorial

1. C++ Tutorial
2. template
3. generic typeid

/* The following code example is taken from the book
 * "C++ Templates - The Complete Guide"
 * by David Vandevoorde and Nicolai M. Josuttis, Addison-Wesley, 2002
 *
 * (C) Copyright David Vandevoorde and Nicolai M. Josuttis 2002.
 * Permission to copy, use, modify, sell and distribute this software
 * is granted provided this copyright notice appears in all copies.
 * This software is provided "as is" without express or implied
 * warranty, and with no claim as to its suitability for any purpose.
 */

#include <iostream>
#include <typeinfo>

// declaration of template
template <typename T>
void print_typeof (T const&);

// implementation/definition of template
template <typename T>
void print_typeof (T const& x)
{
    std::cout << typeid(x).name() << std::endl;
}


// using of template

int main()
{
    double ice = 3.0;
    print_typeof(ice);  // call function template for type double
}

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