#include <vector> #include <algorithm> #include <iostream> #include "boost/phoenix/functions.hpp" #include "boost/phoenix/primitives.hpp" using namespace std; using namespace phoenix; struct is_odd_ { template <typename ArgT> struct result { typedef bool type; }; template <typename ArgT> bool operator()(ArgT arg1) const { return arg1 % 2 == 1; } }; function<is_odd_> is_odd; int main() { int init[] = { 2, 10, 4, 5, 1, 6, 8, 3, 9, 7 }; vector<int> c(init, init + 10); typedef vector<int>::iterator iterator; // Find the first odd number in container c iterator it = find_if(c.begin(), c.end(), is_odd(arg1)); if (it != c.end()) cout << *it; // if found, print the result return 0; }