json/doc/examples/is_number_integer.cpp
Niels Lohmann 0258484626
🔖 set version to 3.1.0
- updated documentation wrt. new repository layout
- temporarily switched off Homebrew --HEAD building (can only be switched on after release)
- set copyright date to 2018
2018-02-01 22:20:26 +01:00

29 lines
941 B
C++

#include <iostream>
#include <nlohmann/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_number_integer()
std::cout << std::boolalpha;
std::cout << j_null.is_number_integer() << '\n';
std::cout << j_boolean.is_number_integer() << '\n';
std::cout << j_number_integer.is_number_integer() << '\n';
std::cout << j_number_unsigned_integer.is_number_integer() << '\n';
std::cout << j_number_float.is_number_integer() << '\n';
std::cout << j_object.is_number_integer() << '\n';
std::cout << j_array.is_number_integer() << '\n';
std::cout << j_string.is_number_integer() << '\n';
}