X-Git-Url: https://git.donarmstrong.com/?p=rsem.git;a=blobdiff_plain;f=boost%2Ftype_traits%2Fadd_rvalue_reference.hpp;fp=boost%2Ftype_traits%2Fadd_rvalue_reference.hpp;h=92c2c3817a01008084d18ea734c33d6bbf842e65;hp=0000000000000000000000000000000000000000;hb=2d71eb92104693ca9baa5a2e1c23eeca776d8fd3;hpb=da57529b92adbb7ae74a89861cb39fb35ac7c62d diff --git a/boost/type_traits/add_rvalue_reference.hpp b/boost/type_traits/add_rvalue_reference.hpp new file mode 100644 index 0000000..92c2c38 --- /dev/null +++ b/boost/type_traits/add_rvalue_reference.hpp @@ -0,0 +1,66 @@ +// add_rvalue_reference.hpp ---------------------------------------------------------// + +// Copyright 2010 Vicente J. Botet Escriba + +// Distributed under the Boost Software License, Version 1.0. +// See http://www.boost.org/LICENSE_1_0.txt + +#ifndef BOOST_TYPE_TRAITS_EXT_ADD_RVALUE_REFERENCE__HPP +#define BOOST_TYPE_TRAITS_EXT_ADD_RVALUE_REFERENCE__HPP + +#include + +//----------------------------------------------------------------------------// + +#include +#include + +// should be the last #include +#include + +//----------------------------------------------------------------------------// +// // +// C++03 implementation of // +// 20.9.7.2 Reference modifications [meta.trans.ref] // +// Written by Vicente J. Botet Escriba // +// // +// If T names an object or function type then the member typedef type +// shall name T&&; otherwise, type shall name T. [ Note: This rule reflects +// the semantics of reference collapsing. For example, when a type T names +// a type T1&, the type add_rvalue_reference::type is not an rvalue +// reference. -end note ] +//----------------------------------------------------------------------------// + +namespace boost { + +namespace type_traits_detail { + + template + struct add_rvalue_reference_helper + { typedef T type; }; + +#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION) + template + struct add_rvalue_reference_helper + { + typedef T&& type; + }; +#endif + + template + struct add_rvalue_reference_imp + { + typedef typename boost::type_traits_detail::add_rvalue_reference_helper + ::value == false && is_reference::value == false) >::type type; + }; + +} + +BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_rvalue_reference,T,typename boost::type_traits_detail::add_rvalue_reference_imp::type) + +} // namespace boost + +#include + +#endif // BOOST_TYPE_TRAITS_EXT_ADD_RVALUE_REFERENCE__HPP +