Re: [Boost-users] [pointer_container] and std::back_inserterw

From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2008-03-28 08:57:40

Jeff Flinn skrev:
> Thorsten Ottosen wrote:
>> Jeff Flinn skrev:
>>> Are pointer_container's intended to be compatible with 
>>> std::back_inserter? I've also tried calling insert and assign.
>> no, that would be a pure co-incidence.
>>
>> In the trunk you can find equivalents in
>> ptr_inserter.hpp (attached)
> 
> Will this be in 1.35.0?

No.

>>> I've tried:
>>>
>>> #include <boost/ptr_container/ptr_vector.hpp>
>>>
>>> #include <iterator>
>>> #include <vector>
>>> #include <memory>
>>>
>>> int main()
>>> {
>>>      boost::ptr_vector<int> int_ptrs;
>>>
>>>      *std::back_inserter(int_ptrs) = new int(123);
>>>      *std::back_inserter(int_ptrs) = std::auto_ptr<int>(new int(456));
>>>
>>>      std::vector<int*> ptrs(1, new int(123));
>>>
>>>      int_ptrs.insert(int_ptrs.end(), ptrs.begin(), ptrs.end());
>> Is it this last line that bothers you? Or do you want to go in the other 
>> direction?
> 
> The last line does not bother me, it bothers VC8:

use

insert( v.end(), make_indirect_iterator(ptrs.begin()), 
make_indirect_iterator(ptrs.end() );

-Thorsten