forked from boostorg/move
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// (C) Copyright Ion Gaztanaga 2009.
|
||
|
|
// Distributed under the Boost Software License, Version 1.0.
|
||
|
|
// (See accompanying file LICENSE_1_0.txt or copy at
|
||
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
// See http://www.boost.org/libs/move for documentation.
|
||
|
|
//
|
||
|
|
//////////////////////////////////////////////////////////////////////////////
|
||
|
|
#ifndef BOOST_MOVE_TEST_MOVABLE_HPP
|
||
|
|
#define BOOST_MOVE_TEST_MOVABLE_HPP
|
||
|
|
|
||
|
|
//[movable_definition
|
||
|
|
//header file "movable.hpp"
|
||
|
|
#include <boost/move/move.hpp>
|
||
|
|
|
||
|
|
//A movable class
|
||
|
|
class movable
|
||
|
|
{
|
||
|
|
BOOST_MOVABLE_BUT_NOT_COPYABLE(movable)
|
||
|
|
int value_;
|
||
|
|
|
||
|
|
public:
|
||
|
|
movable() : value_(1){}
|
||
|
|
|
||
|
|
//Move constructor and assignment
|
||
|
|
movable(BOOST_RV_REF(movable) m)
|
||
|
|
{ value_ = m.value_; m.value_ = 0; }
|
||
|
|
|
||
|
|
movable & operator=(BOOST_RV_REF(movable) m)
|
||
|
|
{ value_ = m.value_; m.value_ = 0; return *this; }
|
||
|
|
|
||
|
|
bool moved() const //Observer
|
||
|
|
{ return value_ == 0; }
|
||
|
|
};
|
||
|
|
|
||
|
|
namespace boost{
|
||
|
|
|
||
|
|
template<>
|
||
|
|
struct has_nothrow_move<movable>
|
||
|
|
{
|
||
|
|
static const bool value = true;
|
||
|
|
};
|
||
|
|
|
||
|
|
} //namespace boost{
|
||
|
|
//]
|
||
|
|
|
||
|
|
#endif //BOOST_MOVE_TEST_MOVABLE_HPP
|