1 | |
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2 | // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000. |
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3 | // Use, modification and distribution are subject to the Boost Software License, |
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4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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5 | // http://www.boost.org/LICENSE_1_0.txt). |
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6 | // |
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7 | // See http://www.boost.org/libs/type_traits for most recent version including documentation. |
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8 | |
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9 | #ifndef BOOST_TT_REMOVE_REFERENCE_HPP_INCLUDED |
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10 | #define BOOST_TT_REMOVE_REFERENCE_HPP_INCLUDED |
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11 | |
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12 | #include <boost/type_traits/broken_compiler_spec.hpp> |
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13 | #include <boost/config.hpp> |
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14 | #include <boost/detail/workaround.hpp> |
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15 | |
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16 | #if BOOST_WORKAROUND(BOOST_MSVC,<=1300) |
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17 | #include <boost/type_traits/msvc/remove_reference.hpp> |
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18 | #endif |
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19 | |
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20 | // should be the last #include |
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21 | #include <boost/type_traits/detail/type_trait_def.hpp> |
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22 | |
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23 | namespace boost { |
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24 | |
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25 | #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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26 | |
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27 | namespace detail{ |
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28 | // |
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29 | // We can't filter out rvalue_references at the same level as |
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30 | // references or we get ambiguities from msvc: |
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31 | // |
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32 | template <class T> |
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33 | struct remove_rvalue_ref |
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34 | { |
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35 | typedef T type; |
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36 | }; |
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37 | #ifndef BOOST_NO_RVALUE_REFERENCES |
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38 | template <class T> |
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39 | struct remove_rvalue_ref<T&&> |
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40 | { |
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41 | typedef T type; |
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42 | }; |
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43 | #endif |
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44 | |
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45 | } // namespace detail |
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46 | |
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47 | BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_reference,T,typename boost::detail::remove_rvalue_ref<T>::type) |
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48 | BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T&,T) |
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49 | |
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50 | #if defined(BOOST_ILLEGAL_CV_REFERENCES) |
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51 | // these are illegal specialisations; cv-qualifies applied to |
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52 | // references have no effect according to [8.3.2p1], |
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53 | // C++ Builder requires them though as it treats cv-qualified |
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54 | // references as distinct types... |
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55 | BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T& const,T) |
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56 | BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T& volatile,T) |
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57 | BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_reference,T& const volatile,T) |
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58 | #endif |
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59 | |
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60 | #elif !BOOST_WORKAROUND(BOOST_MSVC,<=1300) |
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61 | |
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62 | BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_reference,T,typename boost::detail::remove_reference_impl<T>::type) |
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63 | |
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64 | #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION |
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65 | |
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66 | } // namespace boost |
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67 | |
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68 | #include <boost/type_traits/detail/type_trait_undef.hpp> |
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69 | |
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70 | #endif // BOOST_TT_REMOVE_REFERENCE_HPP_INCLUDED |
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