holdertest.cpp

C++_Templates这本书的随书源码

/* 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 "holder.hpp"

class Something {
  public:
    void perform() const {
    }
};

void do_two_things() 
{
    Holder<Something> first(new Something);
    first->perform();

    Holder<Something> second(new Something);
    second->perform();
}

int main()
{
    do_two_things();
}