| 1234567891011121314151617181920212223242526 | #include <iostream>#include <iomanip>#include <nlohmann/json.hpp>using json = nlohmann::json;int main(){    // create JSON value    json j_flattened =    {        {"/answer/everything", 42},        {"/happy", true},        {"/list/0", 1},        {"/list/1", 0},        {"/list/2", 2},        {"/name", "Niels"},        {"/nothing", nullptr},        {"/object/currency", "USD"},        {"/object/value", 42.99},        {"/pi", 3.141}    };    // call unflatten()    std::cout << std::setw(4) << j_flattened.unflatten() << '\n';}
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