1 //////////////////////////////////////////////////////////////////////////////
2 //
3 // (C) Copyright Ion Gaztanaga 2009-2013. Distributed under the Boost
4 // Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://www.boost.org/libs/container for documentation.
8 //
9 //////////////////////////////////////////////////////////////////////////////
10 
11 //[doc_move_containers
12 #include <boost/container/vector.hpp>
13 #include <boost/move/utility_core.hpp>
14 #include <cassert>
15 
16 //Non-copyable class
17 class non_copyable
18 {
19    BOOST_MOVABLE_BUT_NOT_COPYABLE(non_copyable)
20 
21    public:
non_copyable()22    non_copyable(){}
non_copyable(BOOST_RV_REF (non_copyable))23    non_copyable(BOOST_RV_REF(non_copyable)) {}
operator =(BOOST_RV_REF (non_copyable))24    non_copyable& operator=(BOOST_RV_REF(non_copyable)) { return *this; }
25 };
26 
main()27 int main ()
28 {
29    using namespace boost::container;
30 
31    //Store non-copyable objects in a vector
32    vector<non_copyable> v;
33    non_copyable nc;
34    v.push_back(boost::move(nc));
35    assert(v.size() == 1);
36 
37    //Reserve no longer needs copy-constructible
38    v.reserve(100);
39    assert(v.capacity() >= 100);
40 
41    //This resize overload only needs movable and default constructible
42    v.resize(200);
43    assert(v.size() == 200);
44 
45    //Containers are also movable
46    vector<non_copyable> v_other(boost::move(v));
47    assert(v_other.size() == 200);
48    assert(v.empty());
49 
50    return 0;
51 }
52 //]
53