1#include <iostream> 2#include <nlohmann/json.hpp> 3 4using json = nlohmann::json; 5 6int main() 7{ 8 // create a JSON array 9 json v = {1, 2, 3, 4}; 10 11 // insert number 10 before number 3 12 auto new_pos = v.insert(v.begin() + 2, 10); 13 14 // output new array and result of insert call 15 std::cout << *new_pos << '\n'; 16 std::cout << v << '\n'; 17} 18