// Copyright David Abrahams 2002.

// 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 CONVERTIBLE_DWA2002614_HPP

# define CONVERTIBLE_DWA2002614_HPP



# if defined(__EDG_VERSION__) && __EDG_VERSION__ <= 241

#  include <boost/mpl/if.hpp>

#  include <boost/type_traits/conversion_traits.hpp>

# endif 



// Supplies a runtime is_convertible check which can be used with tag

// dispatching to work around the Metrowerks Pro7 limitation with boost::is_convertible

namespace boost { namespace python { namespace detail { 



typedef char* yes_convertible;

typedef int* no_convertible;



template <class Target>

struct convertible

{

# if !defined(__EDG_VERSION__) || __EDG_VERSION__ > 241 || __EDG_VERSION__ == 238

    static inline no_convertible check(...) { return 0; }

    static inline yes_convertible check(Target) { return 0; }

# else

    template <class X>

    static inline typename mpl::if_c<

        is_convertible<X,Target>::value

        , yes_convertible

        , no_convertible

        >::type check(X const&) { return 0; }

# endif 

};



}}} // namespace boost::python::detail



#endif // CONVERTIBLE_DWA2002614_HPP

