// Copyright David Abrahams 2003.

 // 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)

 #ifndef IMPLICIT_CAST_DWA200356_HPP

 # define IMPLICIT_CAST_DWA200356_HPP

 # include <boost/mpl/identity.hpp>

 namespace boost {

 // implementation originally suggested by C. Green in

 // http://lists.boost.org/MailArchives/boost/msg00886.php

 // The use of identity creates a non-deduced form, so that the

 // explicit template argument must be supplied

 template <typename T>

 inline T implicit_cast (typename mpl::identity<T>::type x) {

     return x;

 }

 // incomplete return type now is here

 //template <typename T>

 //void implicit_cast (...);

 } // namespace boost

 #endif // IMPLICIT_CAST_DWA200356_HPP