Re: [boost] [mpl]iter_fold_if use of apply1 instead of iter_apply1 maybe bug?

Subject: Re: [boost] [mpl]iter_fold_if use of apply1 instead of iter_apply1 maybe bug?
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2009-02-04 11:12:37

AMDG

Larry Evans wrote:
> The following code line:
>
> https://svn.boost.org/trac/boost/browser/trunk/boost/mpl/iter_fold_if.hpp#L44 
>
>
> shows apply1<Predicate,Iterator>; however, shouldn't
> this be iter_apply1<Predicate,Iterators> because,
> just from the name, Iterator is an iterator and needs
> to be deref'ed.  Also, the previous line:
>
>   not_< is_same<Iterator,LastIterator> >
>
> further suggests that Iterator is actually an iterator.
>
> I know it works presently; however, I really don't understand
> why.

iter_fold isn't supposed to dereference the iterators.

http://www.boost.org/libs/mpl/doc/refmanual/iter-fold.html

In Christ,
Steven Watanabe