23 lines
698 B
C++
23 lines
698 B
C++
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#include <iostream>
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#include <nlohmann/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 several JSON values
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json array = {1, 2, 3};
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json object = {{"A", "a"}, {"B", "b"}};
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json number = 17;
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json string = "foo";
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json null;
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// output values and comparisons
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std::cout << std::boolalpha;
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std::cout << array << " == nullptr " << (array == nullptr) << '\n';
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std::cout << object << " == nullptr " << (object == nullptr) << '\n';
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std::cout << number << " == nullptr " << (number == nullptr) << '\n';
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std::cout << string << " == nullptr " << (string == nullptr) << '\n';
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std::cout << null << " == nullptr " << (null == nullptr) << '\n';
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}
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