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

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C++

#include <iostream>
#include <nlohmann/json.hpp>
using json = nlohmann::json;
int main()
{
// create a JSON object
json j_object = {{"one", 1}, {"two", 2}};
// call count()
auto count_two = j_object.count("two");
auto count_three = j_object.count("three");
// print values
std::cout << "number of elements with key \"two\": " << count_two << '\n';
std::cout << "number of elements with key \"three\": " << count_three << '\n';
}