Debugging improvements - Visual Studio Natvis, GDB, LLDB

[Gavin Ray]

On Tuesday, 6 April 2021 at 21:04:47 UTC, WebFreak001 wrote:
> I have created editor independent pretty printers / 
> visualization files for Visual Studio's debugger\*, GDB and 
> LLDB.
>
> [...]

Incredible -- below in VS Code (with launch.json and dub.json 
config as shown on right) I am able to see arrays, strings, and 
associative arrays keys/values!

![codefreak natvis debug](https://i.imgur.com/FvcR9B9.png)