Re: [Boost-users] [ptr_vector] vector<ptr_vector < T > >

From: Felipe Magno de Almeida (felipe.m.almeida_at_[hidden])
Date: 2007-05-25 20:14:34

Use ptr_vector<ptr_vector<T> >

On 5/25/07, Seweryn Habdank-Wojewódzki <shw_at_[hidden]> wrote:
> Hi!
>
> Can anyone tell me why std::vector < boost::ptr_vector < T > > can not be
> reserved and resized I can not push_back anything inside vector, due to
> compile errors?
>
> I am using ptr_vector for storing copyable, but nonassignable objects of type
> T - in fact objects contains mainly const elements.
>
> Regards.
>
> #include <iostream>
> #include <vector>
> #include <boost/ptr_container/ptr_vector.hpp>
>
> class Foo
> {
> public:
>     Foo ( int const i, int const & j )
>     :i_(i), j_(j)
>     {}
>
>     Foo ( Foo const & f )
>     : i_(f.i_), j_(f.j_)
>     {}
>
> private:
>     int const i_;
>     int const & j_;
>     void operator= ( Foo const & f );
> };
>
> int main()
> {
>     using namespace std;
>     using namespace boost;
>
>     int k = 10;
>     ptr_vector<Foo> g;
>
>     g.push_back ( new Foo(1,k) );
>
>     vector<ptr_vector<Foo> > d;
>     //d.push_back ( g ); <-- Errors
>     //d.resize(5)
>     //d.reserve(5)
> }
>
> --
>
> |\/\/|   Seweryn Habdank-Wojewódzki
>  \/\/
> _______________________________________________
> Boost-users mailing list
> Boost-users_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/boost-users

-- 
Felipe Magno de Almeida