[Issue 7426] Inner struct "no size yet for forward reference" when using .tupleof inside it.

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=7426



--- Comment #3 from kennytm at gmail.com 2012-02-05 23:45:05 PST ---
(In reply to comment #2)
> Probably related test case:
> 
> struct S {
>     static if(hasIndirections!(typeof(this))) {}
> }
> 
> template hasIndirections(T)
> {
>     enum hasIndirections = hasIndirectionsImpl!(T.tupleof);
> }
> 
> template hasIndirectionsImpl(T...)
> {
>     static if (!T.length)
>     {
>         enum hasIndirectionsImpl = false;
>     }
>     else
>     {
>         enum hasIndirectionsImpl = true;
>     }
> }

Pull #696 removed the 'no size yet for forward reference' in this test case,
but DMD will complain 'template instance test.hasIndirectionsImpl!(tuple())
error instantiating' anyway.

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