Getting whether it's Tango or Phobos

[Bill Baxter]

Robert Fraser wrote:
> Is there a reliable way to deduce whether the user is using Tango or 
> Phobos? I used to use:
> 
> static if(is(typeof(object.toUtf8)))
> 
> But since that got changed to toString that doesn't work right now. For 
> the time being, I can verify it's D1 and then use (with Tango 0.99.6)
> 
> static if(!is(typeof(string)))
> 
> But I'm guessing Tango may be given a string type soon...?

version(Tango) { ... } else { ... }  ?

--bb