[phobos] Is this a bug?

[Sean Kelly]

On Jun 18, 2010, at 8:51 PM, Sean Kelly wrote:

> Found it.  I forgot you can't new a Tuple.  This breaks:
> 
>    import std.typecons;
> 
>    void main()
>    {
>        alias Tuple!(int) Wrap;
>        auto p = new Wrap;
>    }
> 
> I'll see about fixing Tuple instead of changing Variant.

It's because Tuple doesn't have a default ctor.  Since this clearly causes problems with generic code, I think it's worth adding one.  I'll sit on the checkin until tomorrow.  Scream and yell if you think it's a terrible idea.