Re: [boost] Interest in a container which can hold multiple data types?

Subject: Re: [boost] Interest in a container which can hold multiple data types?
From: Alex Perry (Alex.Perry_at_[hidden])
Date: 2015-05-06 07:24:44

On  05 May 2015 23:24 Boris Rasin [mailto:boris_at_[hidden]] wrote:
> On 5/6/2015 1:08 AM, James Armstrong wrote:
> > Do you mean something that would work along the lines of...
> >
Snip...
> > //iterate through doubles
> > for (auto itr = itr_begin<double>(my_vec); itr !=
> itr_end<double>(my_vec);
> > ++itr)
> > {
> >      // ...
> > }
Snip
> 
> Yes. And this would work with std::vector<boost::any> and
> std::list<boost::variant> alike.

How would this differ from using boost.range filters?

eg
#include <boost/range/adaptors.hpp>

for (auto & val : boost::adaptors::filter(my_vec, []( boost::any & i) { return !i.empty() && i.type() == typeid(int); } ) )
{
}