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// not2 example
#include <iostream> // std::cout
#include <functional> // std::not2, std::equal_to
#include <algorithm> // std::mismatch
#include <utility> // std::pair
int main () {
int foo[] = {10,20,30,40,50};
int bar[] = {0,15,30,45,60};
std::pair<int*,int*> firstmatch,firstmismatch;
firstmismatch = std::mismatch (foo, foo+5, bar, std::equal_to<int>());
firstmatch = std::mismatch (foo, foo+5, bar, std::not2(std::equal_to<int>()));
std::cout << "First mismatch in bar is " << *firstmismatch.second << '\n';
std::cout << "First match in bar is " << *firstmatch.second << '\n';
return 0;
}
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