123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109 |
- //////////////////////////////////////////////////////////////////////////////
- //
- // (C) Copyright David Abrahams, Vicente Botet, 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.
- //
- //////////////////////////////////////////////////////////////////////////////
- #include <boost/move/detail/config_begin.hpp>
- //[construct_forward_example
- #include <boost/move/utility_core.hpp>
- #include <iostream>
- class copyable_only_tester
- {
- public:
- copyable_only_tester()
- { std::cout << "copyable_only_tester()" << std::endl; }
- copyable_only_tester(const copyable_only_tester&)
- { std::cout << "copyable_only_tester(const copyable_only_tester&)" << std::endl; }
- copyable_only_tester(int)
- { std::cout << "copyable_only_tester(int)" << std::endl; }
- copyable_only_tester(int, double)
- { std::cout << "copyable_only_tester(int, double)" << std::endl; }
- };
- class copyable_movable_tester
- {
- // move semantics
- BOOST_COPYABLE_AND_MOVABLE(copyable_movable_tester)
- public:
- copyable_movable_tester()
- { std::cout << "copyable_movable_tester()" << std::endl; }
- copyable_movable_tester(int)
- { std::cout << "copyable_movable_tester(int)" << std::endl; }
- copyable_movable_tester(BOOST_RV_REF(copyable_movable_tester))
- { std::cout << "copyable_movable_tester(BOOST_RV_REF(copyable_movable_tester))" << std::endl; }
- copyable_movable_tester(const copyable_movable_tester &)
- { std::cout << "copyable_movable_tester(const copyable_movable_tester &)" << std::endl; }
- copyable_movable_tester(BOOST_RV_REF(copyable_movable_tester), BOOST_RV_REF(copyable_movable_tester))
- { std::cout << "copyable_movable_tester(BOOST_RV_REF(copyable_movable_tester), BOOST_RV_REF(copyable_movable_tester))" << std::endl; }
- copyable_movable_tester &operator=(BOOST_RV_REF(copyable_movable_tester))
- { std::cout << "copyable_movable_tester & operator=(BOOST_RV_REF(copyable_movable_tester))" << std::endl;
- return *this; }
- copyable_movable_tester &operator=(BOOST_COPY_ASSIGN_REF(copyable_movable_tester))
- { std::cout << "copyable_movable_tester & operator=(BOOST_COPY_ASSIGN_REF(copyable_movable_tester))" << std::endl;
- return *this; }
- };
- //1 argument
- template<class MaybeMovable, class MaybeRv>
- void function_construct(BOOST_FWD_REF(MaybeRv) x)
- { MaybeMovable m(boost::forward<MaybeRv>(x)); }
- //2 argument
- template<class MaybeMovable, class MaybeRv, class MaybeRv2>
- void function_construct(BOOST_FWD_REF(MaybeRv) x, BOOST_FWD_REF(MaybeRv2) x2)
- { MaybeMovable m(boost::forward<MaybeRv>(x), boost::forward<MaybeRv2>(x2)); }
- int main()
- {
- copyable_movable_tester m;
- //move constructor
- function_construct<copyable_movable_tester>(boost::move(m));
- //copy constructor
- function_construct<copyable_movable_tester>(copyable_movable_tester());
- //two rvalue constructor
- function_construct<copyable_movable_tester>(boost::move(m), boost::move(m));
- copyable_only_tester nm;
- //copy constructor (copyable_only_tester has no move ctor.)
- function_construct<copyable_only_tester>(boost::move(nm));
- //copy constructor
- function_construct<copyable_only_tester>(nm);
- //int constructor
- function_construct<copyable_only_tester>(int(0));
- //int, double constructor
- function_construct<copyable_only_tester>(int(0), double(0.0));
- //Output is:
- //copyable_movable_tester()
- //copyable_movable_tester(BOOST_RV_REF(copyable_movable_tester))
- //copyable_movable_tester()
- //copyable_movable_tester(const copyable_movable_tester &)
- //copyable_movable_tester(BOOST_RV_REF(copyable_movable_tester), BOOST_RV_REF(copyable_movable_tester))
- //copyable_only_tester()
- //copyable_only_tester(const copyable_only_tester&)
- //copyable_only_tester(const copyable_only_tester&)
- //copyable_only_tester(int)
- //copyable_only_tester(int, double)
- return 0;
- }
- //]
- #include <boost/move/detail/config_end.hpp>
|