Scope storage class

[Walter Bright]

Jarrett Billingsley wrote:
> The reason I wonder is because I would expect that the compiler is
> still allocating the delegate on the heap if you use the first syntax.
>  (the second is also shorter and clearer.)

There's no reason to suspect. Just obj2asm the output and see. 
Furthermore, better results will come from:

     int b() {
         k -= 1;
         return a(k, b(), x1, x2, x3, x4);
     };

instead of using the delegate.