json/doc/examples/type.cpp
Niels Lohmann 9b32f72584
📝 fixed examples for Wandbox
As I learned in https://github.com/melpon/wandbox/issues/209, this
library is already installed at Wandbox, so we need to adjust the
examples to use `#include "json.hpp"` insteas of `#include <json.hpp>`.
2017-04-21 22:07:07 +02:00

25 lines
880 B
C++

#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_float = 23.42;
json j_object = {{"one", 1}, {"two", 2}};
json j_array = {1, 2, 4, 8, 16};
json j_string = "Hello, world";
// call type()
std::cout << std::boolalpha;
std::cout << (j_null.type() == json::value_t::null) << '\n';
std::cout << (j_boolean.type() == json::value_t::boolean) << '\n';
std::cout << (j_number_integer.type() == json::value_t::number_integer) << '\n';
std::cout << (j_number_float.type() == json::value_t::number_float) << '\n';
std::cout << (j_object.type() == json::value_t::object) << '\n';
std::cout << (j_array.type() == json::value_t::array) << '\n';
std::cout << (j_string.type() == json::value_t::string) << '\n';
}