32 lines
775 B
C++
32 lines
775 B
C++
#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 JSON values
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json object = {{"one", 1}, {"two", 2}};
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json null;
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// print values
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std::cout << object << '\n';
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std::cout << null << '\n';
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// add values
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auto res1 = object.emplace("three", 3);
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null.emplace("A", "a");
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null.emplace("B", "b");
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// the following call will not add an object, because there is already
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// a value stored at key "B"
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auto res2 = null.emplace("B", "c");
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// print values
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std::cout << object << '\n';
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std::cout << *res1.first << " " << std::boolalpha << res1.second << '\n';
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std::cout << null << '\n';
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std::cout << *res2.first << " " << std::boolalpha << res2.second << '\n';
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}
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