Re: [Boost-users] Correct use of unordered_map

Subject: Re: [Boost-users] Correct use of unordered_map
From: Richard Hadsell (hadsell_at_[hidden])
Date: 2009-08-31 19:16:41

Richard Hadsell wrote:
> I use one of these 2 ways:
>
> for (my_map_t::iterator it= my_map.begin(); it != end; ) {
>  if (is_to_be_removed(it->first))
>   it = global_map.erase (it);
>  else
>   ++it;
> }
>
>
> for (my_map_t::iterator it= my_map.begin(); it != end; ) {
>  my_map_t::iterator itx = it++;
>  if (is_to_be_removed(itx->first))
>   global_map.erase (itx);
> }
I should add that the second way is useful, when you are not executing 
'erase' but rather some arbitrary code that may or may not actually 
erase the element from the container.

-- 
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