[Boost-users] Re: boost::indirect_iterator

From: Matthias Kaeppler (nospam_at_[hidden])
Date: 2005-03-01 04:45:22

Matthias Kaeppler wrote:
> template<typename It>
> class indirect
> {
>    const std::unary_function<It,bool>& fctor_;
> public:
>    indirect( const std::unary_function<It,bool>& fctor ): fctor_(fctor) {}
>    bool operator()(It i1, It i2) const
>    {
>        typedef typename std::iterator_traits<It>::value_type value_type;
>        return fctor_<It,bool>()(i1,i2);
>    }
> };
> 
> Would that work?
> 

Okay, that doesn't work :)
But how would I write such an adaptor? I'm kind of lost. (Actually, I 
wonder why there isn't already such a thing. It's a pretty common task 
ain't it).

-- 
Matthias Kaeppler