RE: [boost] Re: Wave C++ Review Begins Today - February 7, 2005

From: Hartmut Kaiser (HartmutKaiser_at_[hidden])
Date: 2005-02-12 01:43:39

David Abrahams wrote:

> > Transform_iterator _is_ part of boost already, the 
> difference is, that 
> > wave uses a slightly different version (for performance reasons the 
> > version contained in Wave returns the transformed value by 
> reference - 
> > I don't know, whether this is commonly possible - in Wave 
> it is used 
> > to flatten a parse tree). That's the reason, why it is 
> named ref_transform_iterator.
> 
> The boost::transform_iterator also returns by reference, if 
> you set it up right.  No need for code duplication.

Even better, I'll look into it. The transform_iterator in Wave is perhaps an
overleft from the old IA library, I haven't looked into this for 2 years or
so...

Regards Hartmut