Imported Upstream version 1.49.0upstream/1.49.0

1 files changed, 92 insertions, 0 deletions

diff --git a/boost/type_traits/remove_pointer.hpp b/boost/type_traits/remove_pointer.hpp
new file mode 100644
index 0000000000..01253db8f2
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+++ b/boost/type_traits/remove_pointer.hpp
@@ -0,0 +1,92 @@
+
+//  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
+//  Use, modification and distribution are subject to the Boost Software License,
+//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt).
+//
+//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_REMOVE_POINTER_HPP_INCLUDED
+#define BOOST_TT_REMOVE_POINTER_HPP_INCLUDED
+
+#include <boost/config.hpp>
+#include <boost/detail/workaround.hpp>
+#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+#include <boost/type_traits/broken_compiler_spec.hpp>
+#endif
+
+#if BOOST_WORKAROUND(BOOST_MSVC,<=1300)
+#include <boost/type_traits/msvc/remove_pointer.hpp>
+#elif defined(BOOST_MSVC)
+#include <boost/type_traits/remove_cv.hpp>
+#include <boost/type_traits/is_pointer.hpp>
+#endif
+
+// should be the last #include
+#include <boost/type_traits/detail/type_trait_def.hpp>
+
+namespace boost {
+
+#ifdef BOOST_MSVC
+
+namespace detail{
+
+   //
+   // We need all this crazy indirection because a type such as:
+   //
+   // T (*const)(U)
+   //
+   // Does not bind to a <T*> or <T*const> partial specialization with VC10 and earlier
+   //
+   template <class T> 
+   struct remove_pointer_imp
+   {
+      typedef T type;
+   };
+
+   template <class T> 
+   struct remove_pointer_imp<T*>
+   {
+      typedef T type;
+   };
+
+   template <class T, bool b> 
+   struct remove_pointer_imp3
+   {
+      typedef typename remove_pointer_imp<typename boost::remove_cv<T>::type>::type type;
+   };
+
+   template <class T> 
+   struct remove_pointer_imp3<T, false>
+   {
+      typedef T type;
+   };
+
+   template <class T> 
+   struct remove_pointer_imp2
+   {
+      typedef typename remove_pointer_imp3<T, ::boost::is_pointer<T>::value>::type type;
+   };
+}
+
+BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_pointer,T,typename boost::detail::remove_pointer_imp2<T>::type)
+
+#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+
+BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_pointer,T,T)
+BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T*,T)
+BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T* const,T)
+BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T* volatile,T)
+BOOST_TT_AUX_TYPE_TRAIT_PARTIAL_SPEC1_1(typename T,remove_pointer,T* const volatile,T)
+
+#elif !BOOST_WORKAROUND(BOOST_MSVC,<=1300)
+
+BOOST_TT_AUX_TYPE_TRAIT_DEF1(remove_pointer,T,typename boost::detail::remove_pointer_impl<T>::type)
+
+#endif
+
+} // namespace boost
+
+#include <boost/type_traits/detail/type_trait_undef.hpp>
+
+#endif // BOOST_TT_REMOVE_POINTER_HPP_INCLUDED