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| // clearing forward_list #include <iostream> #include <forward_list> int main () { std::forward_list<int> mylist = { 10, 20, 30 }; std::cout << "mylist contains:"; for (int& x: mylist) std::cout << ' ' << x; std::cout << '\n'; mylist.clear(); mylist.insert_after( mylist.before_begin(), {100, 200} ); std::cout << "mylist contains:"; for (int& x: mylist) std::cout << ' ' << x; std::cout << '\n'; return 0; }
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