What have you done with UDAs?

[Jonas Drewsen via Digitalmars-d]

On Monday, 22 June 2015 at 20:29:15 UTC, Jonas Drewsen wrote:
> On Monday, 22 June 2015 at 19:09:40 UTC, weaselcat wrote:
>> I never seem to use them for anything, has anyone else done 
>> anything interesting with them?
>
> I use a few in the deadcode editor e.g.:
>
> Function can be called by a menu entry:
> @MenuItem("Edit/Copy")
>
> Function can be called by a shortcut:
> @Shortcut("<shift> + <f10>")
>
> Function should run in a fiber when called:
> @InFiber

Just remembered, I also use it for the animation system to tell 
what can be animated (modified by proxy) e.g:

@Bindable()
{
	CSSPositionMix _position;
	CSSScaleMix _width;
	CSSScaleMix _height;
	CSSVisibility _visibility;
         ...
}