1//////////////////////////////////////////////////////////////////////////////
2//
3// (C) Copyright Ion Gaztanaga 2009.
4// Distributed under the Boost Software License, Version 1.0.
5// (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8// See http://www.boost.org/libs/move for documentation.
9//
10//////////////////////////////////////////////////////////////////////////////
11#ifndef BOOST_MOVE_TEST_MOVABLE_HPP
12#define BOOST_MOVE_TEST_MOVABLE_HPP
13
14//[movable_definition
15//header file "movable.hpp"
16#include <boost/move/core.hpp>
17#include <boost/move/traits.hpp>
18
19//A movable class
20class movable
21{
22 BOOST_MOVABLE_BUT_NOT_COPYABLE(movable)
23 int value_;
24
25 public:
26 movable() : value_(1){}
27
28 //Move constructor and assignment
29 movable(BOOST_RV_REF(movable) m)
30 { value_ = m.value_; m.value_ = 0; }
31
32 movable & operator=(BOOST_RV_REF(movable) m)
33 { value_ = m.value_; m.value_ = 0; return *this; }
34
35 bool moved() const //Observer
36 { return !value_; }
37
38 int value() const //Observer
39 { return value_; }
40};
41
42namespace boost{
43
44template<>
45struct has_nothrow_move<movable>
46{
47 static const bool value = true;
48};
49
50} //namespace boost{
51//]
52
53#endif //BOOST_MOVE_TEST_MOVABLE_HPP
54

source code of boost/libs/move/example/movable.hpp