1 #include <iostream> 2 #include <nlohmann/json.hpp> 3 4 using json = nlohmann::json; 5 main()6 int main() 7 { 8 // create an array value 9 json array = {1, 2, 3, 4, 5}; 10 11 // get an iterator to one past the last element 12 json::const_iterator it = array.cend(); 13 14 // decrement the iterator to point to the last element 15 --it; 16 17 // serialize the element that the iterator points to 18 std::cout << *it << '\n'; 19 } 20