Re: [Boost-users] for_each on boost::ptr_map

Subject: Re: [Boost-users] for_each on boost::ptr_map
From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2008-09-16 05:19:22

Robert Dailey skrev:
> Hi,
> 
> Is there a way I can use std::for_each() on a boost::ptr_map and have 
> the functor object be given the *value* of each item iterated instead of 
> a key/value pair like it does with std::map? Help is appreciated, thank you.

You have wrap the iterators in new iterators that project the pair-like 
structur down to the value. It's the same for std::map. You can find 
functions for that in Neil Groves range_ex library in the file vault.

-Thorsten