55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2009-2013. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/container/detail/config_begin.hpp>
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#include <boost/container/detail/workaround.hpp>
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//[doc_move_containers
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#include <boost/container/vector.hpp>
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#include <boost/move/utility_core.hpp>
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#include <cassert>
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//Non-copyable class
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class non_copyable
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{
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BOOST_MOVABLE_BUT_NOT_COPYABLE(non_copyable)
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public:
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non_copyable(){}
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non_copyable(BOOST_RV_REF(non_copyable)) {}
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non_copyable& operator=(BOOST_RV_REF(non_copyable)) { return *this; }
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};
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int main ()
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{
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using namespace boost::container;
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//Store non-copyable objects in a vector
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vector<non_copyable> v;
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non_copyable nc;
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v.push_back(boost::move(nc));
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assert(v.size() == 1);
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//Reserve no longer needs copy-constructible
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v.reserve(100);
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assert(v.capacity() >= 100);
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//This resize overload only needs movable and default constructible
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v.resize(200);
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assert(v.size() == 200);
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//Containers are also movable
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vector<non_copyable> v_other(boost::move(v));
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assert(v_other.size() == 200);
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assert(v.empty());
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return 0;
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}
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//]
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#include <boost/container/detail/config_end.hpp>
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