// Copyright David Abrahams 2004. 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 ENABLE_IF_DWA2004722_HPP
# define ENABLE_IF_DWA2004722_HPP

# include 
# include 

#if !defined(BOOST_NO_SFINAE)
#  include 

namespace boost { namespace python { namespace detail { 

template 
struct enable_if_arg
  : enable_if
{};
             
template 
struct disable_if_arg
  : disable_if
{};
             
template 
struct enable_if_ret
  : enable_if
{};
             
template 
struct disable_if_ret
  : disable_if
{};
             
}}} // namespace boost::python::detail

# endif

#endif // ENABLE_IF_DWA2004722_HPP