Method invocation -- why it's not working?

[Comrad]

On Thursday, 8 March 2012 at 00:04:55 UTC, Ali Çehreli wrote:
> On 03/07/2012 03:54 PM, Ali Çehreli wrote:
>> On 03/07/2012 03:21 PM, Comrad wrote:
>> > 1 struct A
>> > 2 {
>> > 3 double[2] _x;
>> > 4 }
>> > 5
>> > 6 @property ref double y(ref A a) {return a._x[1];}
>> > 7
>> > 8 void main()
>> > 9 {
>> > 10 A a1;
>> > 11 a1.y=2.;
>> > 12 }
>> >
>> > dmd test.d gives me:
>> >
>> > Error: no property 'y' for type 'A'
>> >
>> >
>>
>> You are testing out the new UFCS, right? Well, I really really 
>> hope that
>> I will be embarrassed by saying this: That feature has been 
>> DOA! :p
>>
>> So many people celebrated the feature on the D.announce 
>> newsgroup. I've
>> pointed out a number of times that I couldn't get even the 
>> simplest test.
>>
>> And there is a unittest that tests the feature but nope... It 
>> just
>> doesn't work. :(
>>
>> Ali
>>
>
> Ok, now I see how I fooled myself. Posts like the following 
> made me think that UFCS has been implemented even for ints:
>
>   http://forum.dlang.org/post/jhfpca$1bf4$1@digitalmars.com
>
> I made a further mistake and parsed the unittest in the 
> following change as using an 'int'. Obviously I was wrong: it 
> is the string literal "1":
>
>
> https://github.com/D-Programming-Language/dmd/commit/c268c4a2dc20aae024bce81555833b806a56f718
>
> Ali

Basically, I was following Andrei's book, where this feature is 
described. It's a pity, that it's not working (except arrays 
somehow) :( - I need it!