1 #include <iostream> 2 #include <nlohmann/json.hpp> 3 4 using json = nlohmann::json; 5 main()6int main() 7 { 8 // create JSON values 9 json j_boolean = true; 10 json j_number_integer = 17; 11 json j_number_float = 23.42; 12 json j_object = {{"one", 1}, {"two", 2}}; 13 json j_array = {1, 2, 4, 8, 16}; 14 json j_string = "Hello, world"; 15 16 // call erase() 17 j_boolean.erase(j_boolean.begin()); 18 j_number_integer.erase(j_number_integer.begin()); 19 j_number_float.erase(j_number_float.begin()); 20 j_object.erase(j_object.find("two")); 21 j_array.erase(j_array.begin() + 2); 22 j_string.erase(j_string.begin()); 23 24 // print values 25 std::cout << j_boolean << '\n'; 26 std::cout << j_number_integer << '\n'; 27 std::cout << j_number_float << '\n'; 28 std::cout << j_object << '\n'; 29 std::cout << j_array << '\n'; 30 std::cout << j_string << '\n'; 31 } 32