bindtest.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 <string>
#include <iostream>
#include "funcptr.hpp"
#include "binder5.hpp"
#include "bindconv.hpp"

bool func (std::string const& str, double d, float f) 
{
    std::cout << str << ": " 
              << d << (d<f? "<": ">=") 
              << f << '\n';
    return d<f;
}

int main() 
{
    bool result = bind<1>(func_ptr(func), "Comparing")(1.0, 2.0);
    std::cout << "bound function returned " << result << '\n';
}