#include <algorithm>
 #include <forward_list>
 #include <iostream>

 int main(){

   std::cout << std::boolalpha << std::endl;

   std::forward_list<int> myForList;

   std::cout << "myForList.empty(): "  << myForList.empty() << std::endl;
   myForList.push_front(7);
   myForList.push_front(6);
   myForList.push_front(5);
   myForList.push_front(4);
   myForList.push_front(3);
   myForList.push_front(2);
   myForList.push_front(1);

   std::cout << std::endl;

   std::cout << "myForList: " << std::endl;
   for (auto i: myForList) std::cout << i << " ";
   std::cout << "\n\n";

   myForList.erase_after(myForList.before_begin());
   std::cout<< "myForList.front(): " << myForList.front() << "\n\n";

   std::forward_list<int>myForList2;
   myForList2.insert_after(myForList2.before_begin(),1);
   myForList2.insert_after(myForList2.before_begin(),2);
   myForList2.insert_after(myForList2.before_begin(),3);
   myForList2.push_front(1000);

   std::cout << "myForList2: " << std::endl;
   for (auto i: myForList2) std::cout << i << " ";
   std::cout << "\n\n";
   auto IteratorTo5= std::find(myForList.begin(),myForList.end(),5);
   myForList.splice_after(IteratorTo5,std::move(myForList2));

   std::cout << "myForList: " << std::endl;
   for (auto i: myForList) std::cout << i << " ";
   std::cout << "\n\n";

   myForList.sort();

   std::cout << "myForList: " << std::endl;
   for (auto i: myForList) std::cout << i << " ";
   std::cout << "\n\n";

   myForList.reverse();

   std::cout << "myForList: " << std::endl;
   for (auto i: myForList) std::cout << i << " ";
   std::cout << "\n\n";

   myForList.unique();

   std::cout << "myForList: " << std::endl;
   for (auto i: myForList) std::cout << i << " ";
   std::cout << "\n";

   std::cout << std::endl;

 }