Adding a value to an existing json puts it at the beginning instead of the end

[tawmoto]

This is a minor problem, but I think it's worth to mention it.

json j2 = {
	{"pi",    3.141},
	{"happy", true}};

j2["abc"] = "123";

std::cout << j2.dump(4) << std::endl;

I get as output

{
    "abc": "123", -->> shouldn't this be at the end? Because I inserted it later in the json
    "happy": true,
    "pi": 3.141
}

How can I insert it at the end, except creating another json and using update function?
Thanks

[nlohmann]

See https://github.com/nlohmann/json#order-of-object-keys.

[nlohmann]

To be fixed with #2258.