boost/type_erasure/detail/any_base.hpp
// Boost.TypeErasure library
//
// Copyright 2011 Steven Watanabe
//
// Distributed under 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)
//
// $Id$
#ifndef BOOST_TYPE_ERASURE_DETAIL_ANY_BASE_HPP_INCLUDED
#define BOOST_TYPE_ERASURE_DETAIL_ANY_BASE_HPP_INCLUDED
namespace boost {
namespace type_erasure {
template<class Derived>
struct any_base
{
typedef void _boost_type_erasure_is_any;
typedef Derived _boost_type_erasure_derived_type;
// volatile makes this a worse match than the default constructor
// for msvc-14.1, which can get confused otherwise.
void* _boost_type_erasure_deduce_constructor(...) const volatile { return 0; }
void* _boost_type_erasure_deduce_assign(...) { return 0; }
};
}
}
#endif