///////////////////////////////////////////////////////////////
//  functor.cpp - demonstrate the behavior of functor object //
//                                                           //
//  Jim Fawcett, CSE687, 4/4/2000                            //
///////////////////////////////////////////////////////////////

#include <iostream>
#include <string>
using namespace std;

// binary predicate functor equivalent to less
// - Uses std::string comparison to return true if first
//   argument is less than second.

template <class T> class increase {
  public:
    bool operator()(const T &t1, const T &t2) { return (t1<t2); }
};


void main() {

  string sLower  = "aaaa";
  string sHigher = "zzzz";

  increase<string> myIncrease;

  if(myIncrease("aaaa","zzzz") == true)
    cout << "\n  \"aaaa\" is less than \"zzzz\"";
  else
    cout << "\n  \"aaaa\" is more than \"zzzz\"";

  cout << "\n\n";
}