DMD v2.066.0-b2

[Bob via Digitalmars-d-announce]

On Wednesday, 9 July 2014 at 15:39:50 UTC, David Nadlinger wrote:
> On Wednesday, 9 July 2014 at 14:57:01 UTC, Andrew Edwards wrote:
>> My concern is that this shouldn't compile in the first place. 
>> What is xyz?, Is it a free function? Is it a member variable 
>> or function?  In my mind it is neither of the two so why does 
>> it compile?
>
> Oh, but that's precisely the point of opDispatch. ;) It offers 
> a mechanism to respond to any members that are not found. See 
> the spec for an example: 
> http://dlang.org/operatoroverloading.html#Dispatch
>
> David

Exactly. opDispatch catches calls to missing methods and acts 
based on method name which it gets as a string at compile time. 
In this case, the idea is this:

         auto v1 = Vec!4(4, 5, 6, 7);
         auto v2 = v1.xyz;   // => Vec!3(4, 5, 6);
         auto v3 = v1.wx;    // => Vec!2(7, 4);
         auto v4 = v1.wxx1;  // => Vec!4(7, 4, 4, 1);