Problem with Point property

[Chris Miller]

On Tue, 06 Mar 2007 16:29:14 -0500, Henning Hasemann <hhasemann at web.de>  
wrote:

>
> Hi all, say I have a structure Point and an attribute position like this:
>
> struct Point {
>   int x, y;
> }
>
> class Foo {
>   Point position;
> }
>
> So far, so good. Now I want to substitude the attribute with a property
> (because I want to react on changes of the position immediately)
> The setter is no Problem:
>
>   void position(Point p) { mPosition = p; react(); }
>
> The getter indeed is. If I wrote:
>
>   Point position() { return mPosition; }
>
> this would break expressions like
>
> Foo().position.x = 5;
>

This should be easy enough for the compiler to detect and automatically  
call the matching setter (if none, error). But the compiler doesn't even  
detect some basic operators on properties, so...