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third_party/boost/boost/type_traits/msvc/remove_const.hpp

Index: third_party/boost/boost/type_traits/msvc/remove_const.hpp
diff --git a/third_party/boost/boost/type_traits/msvc/remove_const.hpp b/third_party/boost/boost/type_traits/msvc/remove_const.hpp
new file mode 100644
index 0000000000000000000000000000000000000000..5395e80022c03965934b6cdb39e9428f69f9d920
--- /dev/null
+++ b/third_party/boost/boost/type_traits/msvc/remove_const.hpp
@@ -0,0 +1,143 @@
+// Copyright (C) 2004 Peder Holt
+// Use, modification and distribution is subject to the Boost Software
+// License, Version 1.0. (http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_TYPE_TRAITS_MSVC_REMOVE_CONST_HOLT_2004_0828
+#define BOOST_TYPE_TRAITS_MSVC_REMOVE_CONST_HOLT_2004_0828
+
+#include <boost/type_traits/msvc/typeof.hpp>
+#include <boost/type_traits/is_volatile.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <boost/type_traits/is_pointer.hpp>
+#include <boost/type_traits/is_array.hpp>
+
+namespace boost {
+    namespace detail {
+        template<bool IsPointer,bool IsArray,bool IsConst,bool IsVolatile>
+        struct remove_const_impl_typeof {
+            template<typename T,typename ID>
+            struct inner {
+                typedef T type;
+            };
+            template<typename T>
+            struct transform_type {
+                typedef T type;
+            };
+        };
+        template<> //Const
+        struct remove_const_impl_typeof<false,false,true,false> {
+            template<typename T,typename ID>
+            struct inner {
+                template<typename U>
+                static msvc_register_type<U,ID> test(U const&(*)());
+                static msvc_register_type<T,ID> test(...);
+                BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (T(*)())(NULL) ) ));
+                typedef typename msvc_extract_type<ID>::id2type::type type;
+            };
+            template<typename T>
+            struct transform_type {
+                typedef T& type;
+            };
+        };
+        template<> //CV
+        struct remove_const_impl_typeof<false,false,true,true> {
+            template<typename T,typename ID>
+            struct inner {
+                template<typename U>
+                static msvc_register_type<U volatile,ID> test(U const volatile&(*)());
+                static msvc_register_type<T,ID> test(...);
+                BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (T(*)())(NULL) ) ));
+                typedef typename msvc_extract_type<ID>::id2type::type type;
+            };
+            template<typename T>
+            struct transform_type {
+                typedef T& type;
+            };
+        };
+        template<> //Const Pointer
+        struct remove_const_impl_typeof<true,false,true,false> {
+            template<typename T,typename ID>
+            struct inner {
+                template<typename U>
+                static msvc_register_type<U,ID> test(void(*)(U const[]));
+                static msvc_register_type<T,ID> test(...);
+                BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
+                typedef typename msvc_extract_type<ID>::id2type::type type;
+            };
+            template<typename T>
+            struct transform_type {
+                typedef T type[];
+            };
+        };
+        template<> //CV Pointer
+        struct remove_const_impl_typeof<true,false,true,true> {
+            template<typename T,typename ID>
+            struct inner {
+                template<typename U>
+                static msvc_register_type<U volatile,ID> test(void(*)(U const volatile[]));
+                static msvc_register_type<T,ID> test(...);
+                BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
+                typedef typename msvc_extract_type<ID>::id2type::type type;
+            };
+            template<typename T>
+            struct transform_type {
+                typedef T type[];
+            };
+        };        
+        template<> //Const Array
+        struct remove_const_impl_typeof<false,true,true,false> {
+            template<typename T,typename ID>
+            struct inner {
+                BOOST_STATIC_CONSTANT(unsigned,value=(sizeof(T)/sizeof((*((T*)NULL))[0])));
+
+                template<typename U>
+                static msvc_register_type<U[value],ID> test(void(*)(U const[]));
+                static msvc_register_type<T,ID> test(...);
+                BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
+                typedef typename msvc_extract_type<ID>::id2type::type type;
+            };
+            template<typename T>
+            struct transform_type {
+                typedef T type;
+            };
+        };
+
+        template<> //CV Array
+        struct remove_const_impl_typeof<false,true,true,true> {
+            template<typename T,typename ID>
+            struct inner {
+                BOOST_STATIC_CONSTANT(unsigned,value=(sizeof(T)/sizeof((*((T*)NULL))[0])));
+
+                template<typename U>
+                static msvc_register_type<U volatile[value],ID> test(void(*)(U const volatile[]));
+                static msvc_register_type<T,ID> test(...);
+                BOOST_STATIC_CONSTANT(unsigned,register_test=sizeof(test( (void(*)(T))(NULL) ) ));
+                typedef typename msvc_extract_type<ID>::id2type::type type;
+            };
+            template<typename T>
+            struct transform_type {
+                typedef T type;
+            };
+        };
+
+    } //namespace detail
+
+    template<typename T>
+    struct remove_const {
+        typedef detail::remove_const_impl_typeof<
+            boost::is_pointer<T>::value,
+            boost::is_array<T>::value,
+            boost::is_const<T>::value,
+            boost::is_volatile<T>::value
+        > remove_const_type;
+        typedef typename 
+            remove_const_type::template inner<
+                typename remove_const_type::template transform_type<T>::type,
+                remove_const<T>
+            >::type
+        type;
+        BOOST_MPL_AUX_LAMBDA_SUPPORT(1,remove_const,T)
+    };
+}//namespace boost
+
+#endif //BOOST_TYPE_TRAITS_MSVC_REMOVE_CONST_HOLT_2004_0828