Properties: a.b.c = 3

Ary Borenszweig ary at esperanto.org.ar
Tue Jul 28 19:37:51 PDT 2009


Walter Bright escribió:
> The issue is what if b is a property, returns a temporary object, and 
> that temp's .c field is uselessly set to 3?
> 
> It's a classic problem with properties that are implemented as functions.
> 
> I don't see how C#'s special property syntax adds any value for dealing 
> with this.
> 
> One thought I had was to simply disallow the '.' to appear after a 
> function style property.

Maybe only if the return value of the property is a struct? For class 
references it'll work well (except your property returns a new object 
each time, which is kind of a weird way to implement a property).



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