[Issue 4085] Steps toward a static foreach

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4085



--- Comment #11 from bearophile_hugs at eml.cc 2013-08-22 16:53:06 PDT ---
Another comment by Timon Gehr:

> We really need to define a consistent semantics for compile 
> time symbol manipulation though.
>
> Eg:
>
> class C{
>     int a;
>     static foreach(x;__traits(allMembers,C)){
>         mixin("int "~__traits(identifier,x)~"b;");
>     }
> }
>
> What is this supposed to do? "class C{ int a,ab; }"? 
> Non-terminating compilation? Error?
>
> My best guess is that the above code should be illegal,

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