nil.hpp 654 B

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  1. /*=============================================================================
  2. Copyright (c) 2001-2003 Joel de Guzman
  3. http://spirit.sourceforge.net/
  4. Distributed under the Boost Software License, Version 1.0. (See accompanying
  5. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. =============================================================================*/
  7. #if !defined(BOOST_SPIRIT_NIL_HPP)
  8. #define BOOST_SPIRIT_NIL_HPP
  9. #include <boost/spirit/home/classic/namespace.hpp>
  10. namespace boost { namespace spirit {
  11. BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
  12. struct nil_t {};
  13. BOOST_SPIRIT_CLASSIC_NAMESPACE_END
  14. }}
  15. #endif