unegate1.cpp

unegate1.cpp

#include ‹iostream.h›

#include ‹stl.h›

struct odd: public unary_function‹int, bool› {

 odd() {}

 bool operator() (int n_) const {return (n_ % 2) - 1;}

};

int array[3] = {1, 2, 3};

int main() {

 int* p = find_if(array, array + 3, unary_negate‹odd›(odd()));

 if (p != array + 3)

 cout ‹‹ *p ‹‹ endl;

 return 0;

}