Issue with forward ranges which are reference types

[Mehrdad]

On 8/17/2011 7:14 AM, Steven Schveighoffer wrote:
> Casting is actually the correct solution.
>
> if(auto irange = cast(InputRangeObject)collection)
> {
>    // now you can use irange
>    if(collection.empty) // success!
>    {
>       ...
>    }
> } 
The correct solution? It doesn't even compile. (See my last post, which 
was after the one you replied to.)