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Diffstat (limited to '3rdParty/Boost/src/boost/type_traits/add_rvalue_reference.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/type_traits/add_rvalue_reference.hpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/type_traits/add_rvalue_reference.hpp b/3rdParty/Boost/src/boost/type_traits/add_rvalue_reference.hpp new file mode 100644 index 0000000..00b723c --- /dev/null +++ b/3rdParty/Boost/src/boost/type_traits/add_rvalue_reference.hpp @@ -0,0 +1,67 @@ +// 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 <boost/config.hpp> + +//----------------------------------------------------------------------------// + +#include <boost/type_traits/is_void.hpp> +#include <boost/type_traits/is_reference.hpp> + +// should be the last #include +#include <boost/type_traits/detail/type_trait_def.hpp> + +//----------------------------------------------------------------------------// +// // +// C++03 implementation of // +// 20.7.6.2 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<T>::type is not an rvalue +// reference. —end note ] +//----------------------------------------------------------------------------// + +namespace boost { + +namespace type_traits_detail { + + template <typename T, bool b> + struct add_rvalue_reference_helper + { typedef T type; }; + + template <typename T> + struct add_rvalue_reference_helper<T, true> + { +#if !defined(BOOST_NO_RVALUE_REFERENCES) + typedef T&& type; +#else + typedef T type; +#endif + }; + + template <typename T> + struct add_rvalue_reference_imp + { + typedef typename boost::type_traits_detail::add_rvalue_reference_helper + <T, (!is_void<T>::value && !is_reference<T>::value) >::type type; + }; + +} + +BOOST_TT_AUX_TYPE_TRAIT_DEF1(add_rvalue_reference,T,typename boost::type_traits_detail::add_rvalue_reference_imp<T>::type) + +} // namespace boost + +#include <boost/type_traits/detail/type_trait_undef.hpp> + +#endif // BOOST_TYPE_TRAITS_EXT_ADD_RVALUE_REFERENCE__HPP |