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_POINTER_HPP_INCLUDED
10 #define BOOST_TT_REMOVE_POINTER_HPP_INCLUDED
12 #include <boost/config.hpp>
13 #include <boost/detail/workaround.hpp>
14 #ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
15 #include <boost/type_traits/broken_compiler_spec.hpp>
18 #if BOOST_WORKAROUND(BOOST_MSVC,<=1300)
19 #include <boost/type_traits/msvc/remove_pointer.hpp>
20 #elif defined(BOOST_MSVC)
21 #include <boost/type_traits/remove_cv.hpp>
22 #include <boost/type_traits/is_pointer.hpp>
25 // should be the last #include
26 #include <boost/type_traits/detail/type_trait_def.hpp>
35 // We need all this crazy indirection because a type such as:
39 // Does not bind to a <T*> or <T*const> partial specialization with VC10 and earlier
42 struct remove_pointer_imp
48 struct remove_pointer_imp<T*>
53 template <class T, bool b>
54 struct remove_pointer_imp3
56 typedef typename remove_pointer_imp<typename boost::remove_cv<T>::type>::type type;
60 struct remove_pointer_imp3<T, false>
66 struct remove_pointer_imp2
68 typedef typename remove_pointer_imp3<T, ::boost::is_pointer<T>::value>::type type;
72 BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_pointer,T,typename boost::detail::remove_pointer_imp2<T>::type)
74 #elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
76 BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_pointer,T,T)
77 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T*,T)
78 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T* const,T)
79 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T* volatile,T)
80 BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T* const volatile,T)
82 #elif !BOOST_WORKAROUND(BOOST_MSVC,<=1300)
84 BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_pointer,T,typename boost::detail::remove_pointer_impl<T>::type)
90 #include <boost/type_traits/detail/type_trait_undef.hpp>
92 #endif // BOOST_TT_REMOVE_POINTER_HPP_INCLUDED