[boost] Re: N-arity operators in C++, also reducing temporaries. [Repost]

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2005-03-07 16:11:35

Jonathan Turkanis wrote:

>> I'm pretty proud to tell you that there is no tempories at all.
>> Except copying references to arguments before assigning or
>> evaluation. But it cost almost nothing and can be greatly optimized.
>
> I think Gennadiy is including temporaries that can result if you
> return an expression from a function, i.e., the kind of temporaries
> that can often be eliminated with move semantics.

This didn't come out right; expression templates can help with this too. Still,
combining move semantics and expression templates could be very powerful.

Jonathan