{

// ============

// object types

// ============

// create an object from an object_t value

json::object_t object_value = { {"one", 1}, {"two", 2} };

json j_object_t(object_value);

// create an object from std::map

std::map<std::string, int> c_map

{

{"one", 1}, {"two", 2}, {"three", 3}

};

json j_map(c_map);

// create an object from std::unordered_map

std::unordered_map<const char*, double> c_umap

{

{"one", 1.2}, {"two", 2.3}, {"three", 3.4}

};

json j_umap(c_umap);

// create an object from std::multimap

std::multimap<std::string, bool> c_mmap

{

{"one", true}, {"two", true}, {"three", false}, {"three", true}

};

json j_mmap(c_mmap); // only one entry for key "three" is used

// create an object from std::unordered_multimap

std::unordered_multimap<std::string, bool> c_ummap

{

{"one", true}, {"two", true}, {"three", false}, {"three", true}

};

json j_ummap(c_ummap); // only one entry for key "three" is used

// serialize the JSON objects

std::cout << j_object_t << '\n';

std::cout << j_map << '\n';

std::cout << j_umap << '\n';

std::cout << j_mmap << '\n';

std::cout << j_ummap << "\n\n";

// ===========

// array types

// ===========

// create an array from an array_t value

json::array_t array_value = {"one", "two", 3, 4.5, false};

json j_array_t(array_value);

// create an array from std::vector

std::vector<int> c_vector {1, 2, 3, 4};

json j_vec(c_vector);

// create an array from std::valarray

std::valarray<short> c_valarray {10, 9, 8, 7};

json j_valarray(c_valarray);

// create an array from std::deque

std::deque<double> c_deque {1.2, 2.3, 3.4, 5.6};

json j_deque(c_deque);

// create an array from std::list

std::list<bool> c_list {true, true, false, true};

json j_list(c_list);

// create an array from std::forward_list

std::forward_list<int64_t> c_flist {12345678909876, 23456789098765, 34567890987654, 45678909876543};

json j_flist(c_flist);

// create an array from std::array

std::array<unsigned long, 4> c_array {{1, 2, 3, 4}};

json j_array(c_array);

// create an array from std::set

std::set<std::string> c_set {"one", "two", "three", "four", "one"};

json j_set(c_set); // only one entry for "one" is used

// create an array from std::unordered_set

std::unordered_set<std::string> c_uset {"one", "two", "three", "four", "one"};

json j_uset(c_uset); // only one entry for "one" is used

// create an array from std::multiset

std::multiset<std::string> c_mset {"one", "two", "one", "four"};

json j_mset(c_mset); // both entries for "one" are used

// create an array from std::unordered_multiset

std::unordered_multiset<std::string> c_umset {"one", "two", "one", "four"};

json j_umset(c_umset); // both entries for "one" are used

// serialize the JSON arrays

std::cout << j_array_t << '\n';

std::cout << j_vec << '\n';

std::cout << j_valarray << '\n';

std::cout << j_deque << '\n';

std::cout << j_list << '\n';

std::cout << j_flist << '\n';

std::cout << j_array << '\n';

std::cout << j_set << '\n';

std::cout << j_uset << '\n';

std::cout << j_mset << '\n';

std::cout << j_umset << "\n\n";

// ============

// string types

// ============

// create string from a string_t value

json::string_t string_value = "The quick brown fox jumps over the lazy dog.";

json j_string_t(string_value);

// create a JSON string directly from a string literal

json j_string_literal("The quick brown fox jumps over the lazy dog.");

// create string from std::string

std::string s_stdstring = "The quick brown fox jumps over the lazy dog.";

json j_stdstring(s_stdstring);

// serialize the JSON strings

std::cout << j_string_t << '\n';

std::cout << j_string_literal << '\n';

std::cout << j_stdstring << "\n\n";

// ============

// number types

// ============

// create a JSON number from number_integer_t

json::number_integer_t value_integer_t = -42;

json j_integer_t(value_integer_t);

// create a JSON number from number_unsigned_t

json::number_integer_t value_unsigned_t = 17;

json j_unsigned_t(value_unsigned_t);

// create a JSON number from an anonymous enum

enum { enum_value = 17 };

json j_enum(enum_value);

// create values of different integer types

short n_short = 42;

int n_int = -23;

long n_long = 1024;

int_least32_t n_int_least32_t = -17;

uint8_t n_uint8_t = 8;

// create (integer) JSON numbers

json j_short(n_short);

json j_int(n_int);

json j_long(n_long);

json j_int_least32_t(n_int_least32_t);

json j_uint8_t(n_uint8_t);

// create values of different floating-point types

json::number_float_t v_ok = 3.141592653589793;

json::number_float_t v_nan = NAN;

json::number_float_t v_infinity = INFINITY;

// create values of different floating-point types

float n_float = 42.23;

float n_float_nan = 1.0f / 0.0f;

double n_double = 23.42;

// create (floating point) JSON numbers

json j_ok(v_ok);

json j_nan(v_nan);

json j_infinity(v_infinity);

json j_float(n_float);

json j_float_nan(n_float_nan);

json j_double(n_double);

// serialize the JSON numbers

std::cout << j_integer_t << '\n';

std::cout << j_unsigned_t << '\n';

std::cout << j_enum << '\n';

std::cout << j_short << '\n';

std::cout << j_int << '\n';

std::cout << j_long << '\n';

std::cout << j_int_least32_t << '\n';

std::cout << j_uint8_t << '\n';

std::cout << j_ok << '\n';

std::cout << j_nan << '\n';

std::cout << j_infinity << '\n';

std::cout << j_float << '\n';

std::cout << j_float_nan << '\n';

std::cout << j_double << "\n\n";

// =============

// boolean types

// =============

// create boolean values

json j_truth = true;

json j_falsity = false;

// serialize the JSON booleans

std::cout << j_truth << '\n';

std::cout << j_falsity << '\n';