how do I tell if something is lvalue?

[Steven Schveighoffer via Digitalmars-d-learn]

On 1/31/16 4:48 PM, Meta wrote:

>
> This seems to do the trick, although I haven't extensively tested it.
> There's probably a simpler way but this is the first thing I could come
> up with that works.
>
>

Thanks! I was surprised this is not straightforward.

-Steve