issue with static foreach

[Tejas]

On Thursday, 22 July 2021 at 18:06:07 UTC, Paul Backus wrote:
> On Thursday, 22 July 2021 at 17:38:09 UTC, Tejas wrote:
>> Why does this work?
>>
>> ```d
>> import std;
>> void main()
>> {
>>     mixin("int") a;
>>     writeln(a);
>> }
>> ```
>
> You can mix in a type:
>
> https://dlang.org/spec/type.html#mixin_types

Looks like special casing to me... is it allowed because they are 
guaranteed to not introduce a scope, I wonder.