std.json API improvement - Request for code review

[sybrandy]

On 09/12/2010 10:53 PM, Brian Schott wrote:
> Everything is a JSONValue. JSONValue has a union inside it that actually
> holds the data. I just wrote a short program that reads your example
> file. (This could be a bit more efficient if I stored obj2, but I think
> it's enough to communicate the idea.)
>
> import std.stdio;
> import std.json;
> import std.file;
>
> void main(string[] args)
> {
> 	auto jsonString = readText("../ml.json");
> 	JSONValue json = parseJSON(jsonString);
> 	writeln(json["obj1"]["obj2"]["val1"].integer);
> 	writeln(json["obj1"]["obj2"]["val2"].str);
> 	foreach(value; json["obj1"]["val3"].array)
> 		writeln(value.integer);
> }
>
> Output:
>
> 1
> a string
> 1
> 2
> 3
> 4
>
> Your question did remind me to document the union members so that the
> HTML documentation will show how to access the actual data. I've
> uploaded the new version of the file. The link is the same.

Cool.  It looks very simple and easy...just the way I like it.  What you 
have is actually quite nice as I can navigate down to a low-level 
element without having to store 200 different intermediate values. 
Probably not very common, but a nicety for when it's needed.

Thanks!

Casey