| 1 | // Boost.TypeErasure library |
| 2 | // |
| 3 | // Copyright 2011 Steven Watanabe |
| 4 | // |
| 5 | // Distributed under the Boost Software License Version 1.0. (See |
| 6 | // accompanying file LICENSE_1_0.txt or copy at |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) |
| 8 | // |
| 9 | // $Id$ |
| 10 | |
| 11 | #ifndef BOOST_TYPE_ERASURE_DETAIL_ANY_BASE_HPP_INCLUDED |
| 12 | #define BOOST_TYPE_ERASURE_DETAIL_ANY_BASE_HPP_INCLUDED |
| 13 | |
| 14 | namespace boost { |
| 15 | namespace type_erasure { |
| 16 | |
| 17 | template<class Derived> |
| 18 | struct any_base |
| 19 | { |
| 20 | typedef void _boost_type_erasure_is_any; |
| 21 | typedef Derived _boost_type_erasure_derived_type; |
| 22 | // volatile makes this a worse match than the default constructor |
| 23 | // for msvc-14.1, which can get confused otherwise. |
| 24 | void* _boost_type_erasure_deduce_constructor(...) const volatile { return 0; } |
| 25 | void* _boost_type_erasure_deduce_assign(...) { return 0; } |
| 26 | }; |
| 27 | |
| 28 | } |
| 29 | } |
| 30 | |
| 31 | #endif |
| 32 | |