WhisperCom/doc/examples/basic_json__InputIt_InputIt.cpp
Dominik Meyer cc002ebfbb Squashed 'libs/json/' content from commit f42a74b8
git-subtree-dir: libs/json
git-subtree-split: f42a74b8f53cc308647123d49d33d1c8122e3f42
2021-08-22 01:28:31 +02:00

33 lines
848 B
C++

#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
int main()
{
// create JSON values
json j_array = {"alpha", "bravo", "charly", "delta", "easy"};
json j_number = 42;
json j_object = {{"one", "eins"}, {"two", "zwei"}};
// create copies using iterators
json j_array_range(j_array.begin() + 1, j_array.end() - 2);
json j_number_range(j_number.begin(), j_number.end());
json j_object_range(j_object.begin(), j_object.find("two"));
// serialize the values
std::cout << j_array_range << '\n';
std::cout << j_number_range << '\n';
std::cout << j_object_range << '\n';
// example for an exception
try
{
json j_invalid(j_number.begin() + 1, j_number.end());
}
catch (json::invalid_iterator& e)
{
std::cout << e.what() << '\n';
}
}