greaterthann.cpp

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//: C06:GreaterThanN.cpp
// From "Thinking in C++, Volume 2", by Bruce Eckel & Chuck Allison.
// (c) 1995-2004 MindView, Inc. All Rights Reserved.
// See source code use permissions stated in the file 'License.txt',
// distributed with the code package available at www.MindView.net.
#include <iostream>
using namespace std;

class gt_n {
  int value;
public:
  gt_n(int val) : value(val) {}
  bool operator()(int n) { return n > value; }
};

int main() {
  gt_n f(4);
  cout << f(3) << endl;  // Prints 0 (for false)
  cout << f(5) << endl;  // Prints 1 (for true)
} ///:~