[saosebastiao]

While it's not what I asked, I actually like the answer as long as I can provide overrideable default methods in the that use the lvalues. I can't think of any of my own use cases that couldn't adequately be covered by it.

[steveklabnik]

Ah yeah, I read your post wrong, my bad!

[Manishearth]

Oh, yeah, like I said it solves many of the same use cases, it's just not the same thing :)