2017-07-09 11:51:38 +02:00
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#include <iostream>
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2022-07-31 14:05:58 +02:00
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#include <string_view>
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2018-02-01 22:20:26 +01:00
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#include <nlohmann/json.hpp>
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2015-06-28 19:32:09 +02:00
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2022-07-31 14:05:58 +02:00
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using namespace std::string_view_literals;
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2016-01-30 20:23:14 +01:00
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using json = nlohmann::json;
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2015-06-28 19:32:09 +02:00
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int main()
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{
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// create a JSON object
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json j_object = {{"one", 1}, {"two", 2}};
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2020-02-26 06:44:08 +01:00
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// call count()
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2022-07-31 14:05:58 +02:00
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auto count_two = j_object.count("two"sv);
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auto count_three = j_object.count("three"sv);
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2015-06-28 19:32:09 +02:00
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// print values
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std::cout << "number of elements with key \"two\": " << count_two << '\n';
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std::cout << "number of elements with key \"three\": " << count_three << '\n';
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}
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