504012a3db
As <iostream> is not included in json.hpp any more, all code examples need to include <iostream> now.
28 lines
869 B
C++
28 lines
869 B
C++
#include <iostream>
|
|
#include "json.hpp"
|
|
|
|
using json = nlohmann::json;
|
|
|
|
int main()
|
|
{
|
|
// create JSON values
|
|
json j_null;
|
|
json j_boolean = true;
|
|
json j_number_integer = 17;
|
|
json j_number_unsigned_integer = 12345678987654321u;
|
|
json j_number_float = 23.42;
|
|
json j_object = {{"one", 1}, {"two", 2}};
|
|
json j_array = {1, 2, 4, 8, 16};
|
|
json j_string = "Hello, world";
|
|
|
|
// call is_boolean()
|
|
std::cout << std::boolalpha;
|
|
std::cout << j_null.is_boolean() << '\n';
|
|
std::cout << j_boolean.is_boolean() << '\n';
|
|
std::cout << j_number_integer.is_boolean() << '\n';
|
|
std::cout << j_number_unsigned_integer.is_boolean() << '\n';
|
|
std::cout << j_number_float.is_boolean() << '\n';
|
|
std::cout << j_object.is_boolean() << '\n';
|
|
std::cout << j_array.is_boolean() << '\n';
|
|
std::cout << j_string.is_boolean() << '\n';
|
|
}
|