json/doc/examples/flatten.cpp

37 lines
768 B
C++

#include <json.hpp>
using json = nlohmann::json;
int main()
{
// create JSON value
json j =
{
{"pi", 3.141},
{"happy", true},
{"name", "Niels"},
{"nothing", nullptr},
{
"answer", {
{"everything", 42}
}
},
{"list", {1, 0, 2}},
{
"object", {
{"currency", "USD"},
{"value", 42.99},
{"", "empty string"},
{"/", "slash"},
{"~", "tilde"},
{"~1", "tilde1"}
}
}
};
// call flatten()
std::cout << std::setw(4) << j.flatten() << '\n';
// flatten for a primitive value
std::cout << j["pi"].flatten() << '\n';
}