RE: [boost] Re: Constructor of iterator_adaptor takes parameter by value

From: Hartmut Kaiser (hartmutkaiser_at_[hidden])
Date: 2004-01-10 03:21:46

David Abrahams wrote:

> > Executive summary: the reference wins. It doesn't really 
> matter. You 
> > knew that already.
> 
> Yep, my tests show the same.  That's a relief to me, 
> actually.  I wonder what Andrei was on about?

Using a const reference is actually a guarantied optimization, using a value
_may_ result in some optimization on certain compilers, but if this possible
optimization is applied by the compiler, it isn't more aggressive than the
hand made one.

Regards Hartmut