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// 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
// $Id$


namespace boost {
namespace type_erasure {

 * A metafunction which returns the full @ref any type,
 * when given any of its base classes.  This is primarily
 * intended to be used when implementing @ref concept_interface.
 * \see rebind_any, as_param
template<class T>
struct derived
    typedef detail::unspecified type;
    typedef typename T::_boost_type_erasure_derived_type type;


template<class T>
using derived_t = typename T::_boost_type_erasure_derived_type;