From: David Abrahams (david.abrahams_at_[hidden])
Date: 2002-06-11 10:27:32
From: "Brad King" <brad.king_at_[hidden]>
> However, with this implementation:
>
> const number operator++(int) {
> return number(*this, postfix_increment());
> }
>
> the original value is not incremented until after the construction
> finishes. With the return value optimization present, this satisfies the
> strong exception guarantee.
Uh, not unless number's copy constructor gives the nothrow guarantee. You
can't count on the NRVO.
-Dave