27 lines
545 B
C++
27 lines
545 B
C++
|
#include <json.hpp>
|
||
|
|
|
||
|
|
using namespace nlohmann;
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
// create a JSON number
|
||
|
|
json value = 17;
|
||
|
|
|
||
|
|
// explicitly getting references
|
||
|
|
auto r1 = value.get_ref<const json::number_integer_t&>();
|
||
|
|
auto r2 = value.get_ref<json::number_integer_t&>();
|
||
|
|
|
||
|
|
// print the values
|
||
|
|
std::cout << r1 << ' ' << r2 << '\n';
|
||
|
|
|
||
|
|
// incompatible type throws exception
|
||
|
|
try
|
||
|
|
{
|
||
|
|
auto r3 = value.get_ref<json::number_float_t&>();
|
||
|
|
}
|
||
|
|
catch(std::domain_error& ex)
|
||
|
|
{
|
||
|
|
std::cout << ex.what() << '\n';
|
||
|
|
}
|
||
|
|
}
|