| |
| // (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes, |
| // Howard Hinnant and John Maddock 2000. |
| // (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001 |
| |
| // 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. |
| |
| // Fixed is_pointer, is_reference, is_const, is_volatile, is_same, |
| // is_member_pointer based on the Simulated Partial Specialization work |
| // of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or |
| // http://groups.yahoo.com/group/boost/message/5441 |
| // Some workarounds in here use ideas suggested from "Generic<Programming>: |
| // Mappings between Types and Values" |
| // by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html). |
| |
| |
| #ifndef BOOST_TT_IS_SAME_HPP_INCLUDED |
| #define BOOST_TT_IS_SAME_HPP_INCLUDED |
| |
| #include <boost/type_traits/integral_constant.hpp> |
| |
| namespace boost { |
| |
| |
| template <class T, class U> struct is_same : public false_type {}; |
| template <class T> struct is_same<T,T> : public true_type {}; |
| #if BOOST_WORKAROUND(__BORLANDC__, < 0x600) |
| // without this, Borland's compiler gives the wrong answer for |
| // references to arrays: |
| template <class T> struct is_same<T&, T&> : public true_type{}; |
| #endif |
| |
| |
| } // namespace boost |
| |
| #endif // BOOST_TT_IS_SAME_HPP_INCLUDED |
| |
