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22 lines
641 B
C++
22 lines
641 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 a JSON number
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json value = 17;
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// explicitly getting pointers
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auto p1 = value.get_ptr<const json::number_integer_t*>();
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auto p2 = value.get_ptr<json::number_integer_t*>();
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auto p3 = value.get_ptr<json::number_integer_t* const>();
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auto p4 = value.get_ptr<const json::number_integer_t* const>();
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auto p5 = value.get_ptr<json::number_float_t*>();
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// print the pointees
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std::cout << *p1 << ' ' << *p2 << ' ' << *p3 << ' ' << *p4 << '\n';
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std::cout << std::boolalpha << (p5 == nullptr) << '\n';
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}
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