Hi Marc, hi Frank,

thank you for your replies,

On Wednesday, May 9, 2012 2:20:50 PM UTC+2, K. Frank wrote:
> This may or may not be relevant, but does Boost.Range
>
> http://www.boost.org/doc/libs/1_49_0...tml/index.html
>
> do some of what you want?

indeed! Reading the source code was also quite useful (it is not so hairy as I feared it).

cheers,
Michael