Re: [Boost-users] boost-users [pointer containers] stl set_unions

From: chun ping wang (cablepuff_at_[hidden])
Date: 2007-11-28 20:09:39

hmm yeah i want to be able to store them in ptr_vector<int> a3.

Since this doesn't work.. you think their would be future work around to
support integeration with stl algorithms.

On Nov 28, 2007 2:44 PM, Thorsten Ottosen <thorsten.ottosen_at_[hidden]>
wrote:

> chun ping wang skrev:
> > hmm can you give a small example of what you mean.. calling
> > clone_allocators' allocate clone
>
> Calling new_clone() is probably sufficient for most purposes.
>
> -Thorsten
>
> > On Nov 28, 2007 5:38 AM, Thorsten Ottosen <thorsten.ottosen_at_[hidden]
> > <mailto:thorsten.ottosen_at_[hidden]>> wrote:
> >
> >     chun ping wang skrev:
> >      > is it possible to use stl set_unions with ptr_container  or  do
> >      I have
> >      > to hand roll my own.
> >      > if yes what inserter should i use or how would i use two
> containers
> >      > having pointer of int
> >      > ptr_vector<int> a1;
> >      > ptr_vector<int> a2;
> >      >
> >      > have a1 union a2 and store in a3.
> >
> >     Should be possible, but you need a different out-put iterator
> compared
> >     to e.g. std::back_inserter( a_normal_container ).
> >
> >     Specifically, you need to call a3's clone_allocators'
> allocate_clone()
> >     in the call to push_back().
> >
> >     -Thorsten
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