how to overload operator "< <" (a < x < b)?

[alex23]

"Diez B. Roggisch" <de... at nospam.web.de> wrote:
> Not really. I didn't get the chaining, and Peter is right that for that
> there is no real overloading.

I'm sorry, I don't really get why overloading lt & gt isn't an answer
to the OP's question... His terminology may not have been correct but
I'm not sure why it's not a sufficient response.

(then again it is a Friday night and I have been out drinking...)