How to Delete Node from JSONValue?

[Andrea Fontana]

On Thursday, 7 November 2019 at 13:43:01 UTC, Michael A. Puls II 
wrote:
>     import std.json;
>
>     void main() {
>         JSONValue j = ["a": "b", "x": "y"];
>         //j.remove("x");
>         //j["x"] = null;
>         destroy(j["x"]);
>     }
>
> What's the proper way to delete a node from a JSONValue object?
>
> I was looking for something like remove("x") that you can do 
> with an associative array, but std.json doesn't provide that. 
> Setting the node to null or using destroy doesn't actually 
> remove the node so that it's not serialized when using toJSON().

Here the right way:
j.object.remove("x");

I found std.json syntax a bit strange, so I wrote a wrap over 
std.json to add a bit of syntax sugar:
https://github.com/2night/jsonwrap/

Andrea