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24 lines
691 B
C++
24 lines
691 B
C++
#include <iostream>
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#include <iomanip>
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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 two JSON objects
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json o1 = R"( {"color": "red", "price": 17.99, "names": {"de": "Flugzeug"}} )"_json;
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json o2 = R"( {"color": "blue", "speed": 100, "names": {"en": "plane"}} )"_json;
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json o3 = o1;
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// add all keys from o2 to o1 (updating "color", replacing "names")
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o1.update(o2.begin(), o2.end());
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// add all keys from o2 to o1 (updating "color", merging "names")
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o3.update(o2.begin(), o2.end(), true);
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// output updated object o1 and o3
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std::cout << std::setw(2) << o1 << '\n';
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std::cout << std::setw(2) << o3 << '\n';
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}
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