2 // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
3 // Use, modification and distribution are subject to the Boost Software License,
4 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt).
7 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
9 #ifndef BOOST_TT_REMOVE_REFERENCE_HPP_INCLUDED
10 #define BOOST_TT_REMOVE_REFERENCE_HPP_INCLUDED
12 #include <boost/type_traits/broken_compiler_spec.hpp>
13 #include <boost/config.hpp>
14 #include <boost/detail/workaround.hpp>
16 #if BOOST_WORKAROUND(BOOST_MSVC,<=1300)
17 #include <boost/type_traits/msvc/remove_reference.hpp>
20 // should be the last #include
21 #include <boost/type_traits/detail/type_trait_def.hpp>
25 #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
29 // We can't filter out rvalue_references at the same level as
30 // references or we get ambiguities from msvc:
33 struct remove_rvalue_ref
37 #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
39 struct remove_rvalue_ref<T&&>
47 BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_reference,T,typename boost::detail::remove_rvalue_ref<T>::type)
48 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T&,T)
50 #if defined(BOOST_ILLEGAL_CV_REFERENCES)
51 // these are illegal specialisations; cv-qualifies applied to
52 // references have no effect according to [8.3.2p1],
53 // C++ Builder requires them though as it treats cv-qualified
54 // references as distinct types...
55 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T& const,T)
56 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T& volatile,T)
57 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T& const volatile,T)
60 #elif !BOOST_WORKAROUND(BOOST_MSVC,<=1300)
62 BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_reference,T,typename boost::detail::remove_reference_impl<T>::type)
64 #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
68 #include <boost/type_traits/detail/type_trait_undef.hpp>
70 #endif // BOOST_TT_REMOVE_REFERENCE_HPP_INCLUDED