Dominik Meyer
cc002ebfbb
git-subtree-dir: libs/json git-subtree-split: f42a74b8f53cc308647123d49d33d1c8122e3f42
28 lines
573 B
C++
28 lines
573 B
C++
#include <iostream>
|
|
#include <nlohmann/json.hpp>
|
|
|
|
using json = nlohmann::json;
|
|
|
|
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 (json::type_error& ex)
|
|
{
|
|
std::cout << ex.what() << '\n';
|
|
}
|
|
}
|