const struct not accepted as initializer by dmd 2.002

[Regan Heath]

torhu wrote:
> Reposting from D.learn, since there were no answers there.
> 
> ---
> struct Inner
> {
>     int value;
> }
> 
> struct Outer {
>     //const(Inner) i;  // this fixes it, but is not valid in D 1.0
>     Inner i;
> }
> 
> const Inner ic = { 5 };  // const or invariant here makes no difference
> 
> Outer outer = {
>     i: ic      // line 14
>     //i: { 5 }  // this is allowed
> };
> ---
> c:\prog\test\D>dmd -c test
> test.d(14): Error: non-constant expression cast(Inner)ic
> ---
> 
> Since the value of ic is fixed at compile time, shouldn't it be 
> equivalent to a literal?
> 
> I'm trying to make this code work in D version 1 too, and since it's for 
> an example, I'm trying to avoid any string mixins or other ugly 
> workarounds.

I can't think of anything.

Is there a pre-defined version specifier for D1.0 and D2.0 you could use 
to conditionally select code which works for each?

Regan