257 lines
12 KiB
Plaintext
257 lines
12 KiB
Plaintext
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2010-2016.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/move for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_MOVE_MOVE_HELPERS_HPP
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#define BOOST_MOVE_MOVE_HELPERS_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/move/core.hpp>
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#include <boost/move/utility_core.hpp>
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#include <boost/move/detail/type_traits.hpp>
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#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
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#define BOOST_MOVE_CATCH_CONST(U) \
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typename ::boost::move_detail::if_< ::boost::move_detail::is_class<U>, BOOST_CATCH_CONST_RLVALUE(U), const U &>::type
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#define BOOST_MOVE_CATCH_RVALUE(U)\
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typename ::boost::move_detail::if_< ::boost::move_detail::is_class<U>, BOOST_RV_REF(U), ::boost::move_detail::nat>::type
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#define BOOST_MOVE_CATCH_FWD(U) BOOST_FWD_REF(U)
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#else
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#define BOOST_MOVE_CATCH_CONST(U) const U &
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#define BOOST_MOVE_CATCH_RVALUE(U) U &&
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#define BOOST_MOVE_CATCH_FWD(U) U &&
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#endif
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////////////////////////////////////////
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//
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// BOOST_MOVE_CONVERSION_AWARE_CATCH
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//
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////////////////////////////////////////
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#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
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template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class TYPE>
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struct boost_move_conversion_aware_catch_1
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: public ::boost::move_detail::enable_if_and
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< RETURN_VALUE
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, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
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, ::boost::move_detail::is_class<TYPE>
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, ::boost::has_move_emulation_disabled<BOOST_MOVE_TEMPL_PARAM>
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>
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{};
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template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class TYPE>
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struct boost_move_conversion_aware_catch_2
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: public ::boost::move_detail::disable_if_or
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< RETURN_VALUE
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, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
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, ::boost::move_detail::is_rv_impl<BOOST_MOVE_TEMPL_PARAM>
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, ::boost::move_detail::and_
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< ::boost::move_detail::is_rv_impl<BOOST_MOVE_TEMPL_PARAM>
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, ::boost::move_detail::is_class<BOOST_MOVE_TEMPL_PARAM>
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>
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>
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{};
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(::boost::move(x)); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(TYPE &x)\
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{ return FWD_FUNCTION(const_cast<const TYPE &>(x)); }\
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//
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#if defined(BOOST_MOVE_HELPERS_RETURN_SFINAE_BROKEN)
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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BOOST_MOVE_CONVERSION_AWARE_CATCH_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u,\
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typename boost_move_conversion_aware_catch_1< ::boost::move_detail::nat, BOOST_MOVE_TEMPL_PARAM, TYPE>::type* = 0)\
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{ return FWD_FUNCTION(u); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u,\
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typename boost_move_conversion_aware_catch_2< ::boost::move_detail::nat, BOOST_MOVE_TEMPL_PARAM, TYPE>::type* = 0)\
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{\
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TYPE t((u));\
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return FWD_FUNCTION(::boost::move(t));\
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}\
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//
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#else
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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BOOST_MOVE_CONVERSION_AWARE_CATCH_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE typename boost_move_conversion_aware_catch_1<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, TYPE>::type\
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PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
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{ return FWD_FUNCTION(u); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE typename boost_move_conversion_aware_catch_2<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, TYPE>::type\
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PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t((u));\
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return FWD_FUNCTION(::boost::move(t));\
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}\
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//
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#endif
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#elif (defined(_MSC_VER) && (_MSC_VER == 1600))
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(static_cast<const TYPE&>(x)); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(::boost::move(x)); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::enable_if_c\
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< !::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>::value\
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, RETURN_VALUE >::type\
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PUB_FUNCTION(const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t((u));\
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return FWD_FUNCTION(::boost::move(t));\
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}\
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//
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#else //BOOST_NO_CXX11_RVALUE_REFERENCES
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION)\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(x); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(::boost::move(x)); }\
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//
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#endif //BOOST_NO_CXX11_RVALUE_REFERENCES
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////////////////////////////////////////
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//
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// BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG
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//
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////////////////////////////////////////
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#ifdef BOOST_NO_CXX11_RVALUE_REFERENCES
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template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class UNLESS_CONVERTIBLE_TO, class TYPE>
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struct boost_move_conversion_aware_catch_1arg_1
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: public ::boost::move_detail::enable_if_and
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< RETURN_VALUE
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, ::boost::move_detail::not_< ::boost::move_detail::is_same_or_convertible<BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO> >
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, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
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, ::boost::has_move_emulation_disabled<BOOST_MOVE_TEMPL_PARAM>
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>
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{};
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template<class RETURN_VALUE, class BOOST_MOVE_TEMPL_PARAM, class UNLESS_CONVERTIBLE_TO, class TYPE>
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struct boost_move_conversion_aware_catch_1arg_2
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: public ::boost::move_detail::disable_if_or
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< RETURN_VALUE
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, ::boost::move_detail::is_same_or_convertible< BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO>
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, ::boost::move_detail::is_rv_impl<BOOST_MOVE_TEMPL_PARAM>
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, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM>
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>
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{};
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, TYPE &x)\
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{ return FWD_FUNCTION(arg1, const_cast<const TYPE &>(x)); }\
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//
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#if defined(BOOST_MOVE_HELPERS_RETURN_SFINAE_BROKEN)
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
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BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u,\
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typename boost_move_conversion_aware_catch_1arg_1<void, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type* = 0)\
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{ return FWD_FUNCTION(arg1, u); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u,\
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typename boost_move_conversion_aware_catch_1arg_2<void, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type* = 0)\
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{\
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TYPE t((u));\
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return FWD_FUNCTION(arg1, ::boost::move(t));\
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}\
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//
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#else
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
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BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG_COMMON(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE typename boost_move_conversion_aware_catch_1arg_1<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type\
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PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
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{ return FWD_FUNCTION(arg1, u); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE typename boost_move_conversion_aware_catch_1arg_2<RETURN_VALUE, BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO, TYPE>::type\
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PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t((u));\
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return FWD_FUNCTION(arg1, ::boost::move(t));\
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}\
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//
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#endif
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#elif (defined(_MSC_VER) && (_MSC_VER == 1600))
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
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\
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template<class BOOST_MOVE_TEMPL_PARAM>\
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BOOST_MOVE_FORCEINLINE typename ::boost::move_detail::disable_if_or\
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< RETURN_VALUE \
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, ::boost::move_detail::is_same<TYPE, BOOST_MOVE_TEMPL_PARAM> \
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, ::boost::move_detail::is_same_or_convertible<BOOST_MOVE_TEMPL_PARAM, UNLESS_CONVERTIBLE_TO> \
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>::type\
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PUB_FUNCTION(ARG1 arg1, const BOOST_MOVE_TEMPL_PARAM &u)\
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{\
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TYPE t((u));\
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return FWD_FUNCTION(arg1, ::boost::move(t));\
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}\
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//
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#else
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#define BOOST_MOVE_CONVERSION_AWARE_CATCH_1ARG(PUB_FUNCTION, TYPE, RETURN_VALUE, FWD_FUNCTION, ARG1, UNLESS_CONVERTIBLE_TO)\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_CONST(TYPE) x)\
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{ return FWD_FUNCTION(arg1, static_cast<const TYPE&>(x)); }\
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\
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BOOST_MOVE_FORCEINLINE RETURN_VALUE PUB_FUNCTION(ARG1 arg1, BOOST_MOVE_CATCH_RVALUE(TYPE) x) \
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{ return FWD_FUNCTION(arg1, ::boost::move(x)); }\
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//
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#endif
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#endif //#ifndef BOOST_MOVE_MOVE_HELPERS_HPP
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