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nlohmannjson/doc/examples/README.cpp
2015-06-30 00:12:18 +02:00

37 lines
686 B
C++

#include <json.hpp>
using namespace nlohmann;
int main()
{
// create a JSON object
json j =
{
{"pi", 3.141},
{"happy", true},
{"name", "Niels"},
{"nothing", nullptr},
{
"answer", {
{"everything", 42}
}
},
{"list", {1, 0, 2}},
{
"object", {
{"currency", "USD"},
{"value", 42.99}
}
}
};
// add new values
j["new"]["key"]["value"] = {"another", "list"};
// count elements
j["size"] = j.size();
// pretty print with indent of 4 spaces
std::cout << std::setw(4) << j << '\n';
}