int main() {
// Decoding
string json = "{\"cake\":[\"desu\",1,2.3],\"foo\":1}";
write("%O\n", Standards.JSON.decode(json));
// Encoding
mapping m = ([
"foo": ({ 1, 2, 3 }),
"bar": "hello"
]);
write("%s\n", Standards.JSON.encode(m));
}