16 lines
638 B
C++
16 lines
638 B
C++
#include <iostream>
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#include <nlohmann/json_view.hpp>
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using ordered_json_editable_document = nlohmann::ordered_json_editable_document;
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int main()
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{
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// ordered_json_editable_document is basic_json_document<nlohmann::ordered_json, true>
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ordered_json_editable_document doc = ordered_json_editable_document::parse(R"({"z": 1, "a": 2, "m": 3})");
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doc.set(doc.root(), "b", 4); // set() always appends a new member at the end
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// materialize() preserves the document order (with "b" at the end),
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// instead of sorting the keys the way json_editable_document does
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std::cout << doc.root().materialize().dump() << '\n';
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}
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