mixin assembler does not work?

[Foo via Digitalmars-d-learn]

On Sunday, 20 July 2014 at 14:46:32 UTC, bearophile wrote:
>> enum Vala(uint count, alias arr) = format("
>>    asm {
>>        sub ESP, %d;     // Reserve 'count' bytes
>>        mov %s, %d;      // Set a.length = 'count'
>>        mov %s + 4, ESP; // Set &a[0] to reserved bytes
>>    }", count, arr.stringof, count, arr.stringof);
>
> I'd like to write that more like this:
>
>
> enum Vala(uint count, alias arr) = format("
>     asm {
>         sub ESP, %%(count);              // Reserve 'count' 
> bytes
>         mov %%(arr.stringof), %%(count); // Set a.length = 
> 'count'
>         mov %%(arr.stringof) + 4, ESP;   // Set &a[0] to 
> reserved bytes
>     }");
>
>
> See:
> http://fslang.uservoice.com/forums/245727-f-language/suggestions/6002107-steal-nice-println-syntax-from-swift
>
> Bye,
> bearophile
It seems that your code doesn't work with 2.065.