Why can't templates use tuples for for argument types?

[BCS]

Reply to Jari-Matti Mäkelä,

> Probably because the compiler does not unfold the tuple. I've filed a
> bug about instantiating an array literal from a tuple. It has a
> similar problem:
> 
> alias Tuple!(1,2,3) a;
> 
> int[] foo = [ a ];  // does not work, but
> int[] foo = [ a[0], a[1], a[2] ]; // does

So you are saying it's a bug?

In that case, what is the bug number so I can add some more comments?