Re: [boost] [iterator] why isn't there a mapped_type iterator adaptor in boost?

Subject: Re: [boost] [iterator] why isn't there a mapped_type iterator adaptor in boost?
From: Gevorg Voskanyan (v_gevorg_at_[hidden])
Date: 2010-05-15 09:41:04

Mostafa wrote:
> Hi all,

> Why isn't there a mapped_type/key_type iterator adaptor in 
> boost?  (Just in case it's not clear, something which allow one to iterator 
> over the keys or the mapped-values of a map/multimap.)  I would think this 
> is a pretty common need.

Do

http://www.boost.org/doc/libs/1_43_0/libs/range/doc/html/range/reference/adaptors/reference/map_keys.html

and

http://www.boost.org/doc/libs/1_43_0/libs/range/doc/html/range/reference/adaptors/reference/map_values.html

address your needs? Not exactly iterator adaptors though...

HTH,
Gevorg