Our template emission strategy is broken

[Walter Bright via Digitalmars-d]

On 11/12/2015 5:14 PM, deadalnix wrote:
> module a;
>
> struct S(E) {
>      import std.bitfield;
>      mixin(bitfield!(
>          bool, "flag", 1,
>          T, "myT", SizeOf!T,
>          uint, "", 32 - SizeOf!T - 1,
>      ));
> }
>
> module b;
>
> enum MyEnum { Val1, Val2, Val3 }
>
> import a;
> alias UsefulStruct = S!MyEnum; // Boom, MyEnum is undefined
>
> Now you end up having to tie stupid node into your code, like adding all user of
> library X as import in library X. Which sucks, but is forced by the language
> design.
>

The trouble there is that E is turned into MyEnum in the mixin string, and 
MyEnum would be unknown to module a.

You can file an enhancement request on this in bugzilla if you like.