#include #include #include int main() { std::vector ns = {0, 1, 2, 3, 4, 5}; std::cout << "ns = { "; for (auto&& i : ns) { std::cout << i << ' '; } std::cout << "}\n"; std::cout << "dropwhile elements are less than 5\n"; for (auto&& i : iter::dropwhile([] (int i) {return i < 5;}, ns)) { std::cout << i << '\n'; } }