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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/type_traits/remove_pointer.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/type_traits/remove_pointer.hpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/type_traits/remove_pointer.hpp b/src/third_party/boost-1.60.0/boost/type_traits/remove_pointer.hpp new file mode 100644 index 00000000000..fb79e59d224 --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/type_traits/remove_pointer.hpp @@ -0,0 +1,77 @@ + +// (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> + +#if defined(BOOST_MSVC) +#include <boost/type_traits/remove_cv.hpp> +#include <boost/type_traits/is_pointer.hpp> +#endif + +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; + }; +} + +template <class T> struct remove_pointer{ typedef typename boost::detail::remove_pointer_imp2<T>::type type; }; + +#else + +template <class T> struct remove_pointer{ typedef T type; }; +template <class T> struct remove_pointer<T*>{ typedef T type; }; +template <class T> struct remove_pointer<T*const>{ typedef T type; }; +template <class T> struct remove_pointer<T*volatile>{ typedef T type; }; +template <class T> struct remove_pointer<T*const volatile>{ typedef T type; }; + +#endif + +} // namespace boost + +#endif // BOOST_TT_REMOVE_POINTER_HPP_INCLUDED |