apply2.cpp

来自「C++_Templates这本书的随书源码」· C++ 代码 · 共 30 行

/* 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 "apply2.hpp"
#include <iostream>

void incr (int& a) 
{ 
    ++a; 
}

void print (int a) 
{
    std::cout << a << std::endl;
}

int main()
{
    int x = 7;
    apply (x, incr);
    apply (x, print);
}