Re: [Boost-users] Remove elements from a list

From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2006-03-03 17:33:00

Pablo Aguilar wrote:

>Meryl Silverburgh wrote:
>  
>
>I think this is as simple as possible:
>
>	sort(keys.begin(), keys.end(), greater<int>());
>	// maybe use std::unique to remove duplicates
>	BOOST_FOREACH(int key, keys)
>	{
>		assert(key >= 0);
>		assert(key < data.size());
>		data.erase(boost::next(data.begin(), key));
>	}
>  
>
I think it's also wrong. You need to walk the index list backwards 
because otherwise you change the indices of the data vector and remove 
the wrong elements.

Sebastian Redl