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As <iostream> is not included in json.hpp any more, all code examples need to include <iostream> now.
19 lines
453 B
C++
19 lines
453 B
C++
#include <iostream>
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#include "json.hpp"
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using json = nlohmann::json;
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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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// call find
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auto count_two = j_object.count("two");
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auto count_three = j_object.count("three");
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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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