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

From: Thorsten Ottosen (thorsten.ottosen_at_[hidden])
Date: 2007-11-28 08:38:50

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