Re: [boost] Interest in bounded (Top-Bounded) Range adaptor.

Subject: Re: [boost] Interest in bounded (Top-Bounded) Range adaptor.
From: Nathan Ridge (zeratul976_at_[hidden])
Date: 2011-10-31 11:31:05

> Is there interest in adding a Top-Bounded adaptor into Boost.Range ?
> 
> Example:
> 
>   using namespace boost::adaptors;
>   using namespace boost::assign;
> 
>   std::vector<int> input;
>   input += 1,2,3,4,5,6,7,8,9;
> 
>   boost::copy( input | bounded(0), std::ostream_iterator<int>(std::cout,
> ","));            // prints nothing
>   boost::copy( input | bounded(1), std::ostream_iterator<int>(std::cout,
> ","));            // prints 1,
>   boost::copy( input | bounded(2), std::ostream_iterator<int>(std::cout,
> ","));            // prints 1,2,
>   boost::copy( input | bounded(8), std::ostream_iterator<int>(std::cout,
> ","));            // prints 1,2,3,4,5,7,8,

There is a Boost.Range extension library called P-stade Oven which
provides this adaptor under the name "taken", and many other adaptors:

http://p-stade.sourceforge.net/oven/doc/html/index.html

There exists an effort to port  the P-stade Oven library to Boost, called
OvenToBoost: https://github.com/faithandbrave/OvenToBoost.
If you are interested in seeing functionality like this in Boost, perhaps
you can consider contributing to this effort.

Regards,
Nate