c++
what if you wanted to iterate through a vector but god said for (std::vector<int>::const_iterator iter = my_vector.begin(); iter != my_vector.end(); iter++) std::cout << *iter << std::endl;
re: c++
std::vector<int>::const_iterator is a C++ object which overrides the * and ++ operators so that the iterator looks a pointer
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re: c++
this is no longer fashionable because modern c++ syntax allows for (auto&& el: my_vector) std::cout << el << std::endl; so luckily you can avoid all that
