[boost] Re: Formal Review: FOREACH macro

From: Andy Little (andy_at_[hidden])
Date: 2005-05-02 10:28:54

"Eric Niebler" <eric_at_[hidden]> wrote
> bool first = true;
> BOOST_FOREACH(....)
> {
>   if(first)
>   {
>     do_something();
>     first = false;
>   }
> }

Wanting the last element is  very nearly as common as wanting the first. 
Putting this after the loop requires an extra check for an empty container.
Why do you not wish to expose the iterator in BOOST_FOR_EACH ?

regards
Andy Little