has_equal_to.hpp 1.7 KB

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  1. // (C) Copyright 2009-2011 Frederic Bron.
  2. //
  3. // Use, modification and distribution are subject to the Boost Software License,
  4. // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  5. // http://www.boost.org/LICENSE_1_0.txt).
  6. //
  7. // See http://www.boost.org/libs/type_traits for most recent version including documentation.
  8. #ifndef BOOST_TT_HAS_EQUAL_TO_HPP_INCLUDED
  9. #define BOOST_TT_HAS_EQUAL_TO_HPP_INCLUDED
  10. #define BOOST_TT_TRAIT_NAME has_equal_to
  11. #define BOOST_TT_TRAIT_OP ==
  12. #define BOOST_TT_FORBIDDEN_IF\
  13. (\
  14. /* Lhs==pointer and Rhs==fundamental */\
  15. (\
  16. ::boost::is_pointer< Lhs_noref >::value && \
  17. ::boost::is_fundamental< Rhs_nocv >::value\
  18. ) || \
  19. /* Rhs==pointer and Lhs==fundamental */\
  20. (\
  21. ::boost::is_pointer< Rhs_noref >::value && \
  22. ::boost::is_fundamental< Lhs_nocv >::value\
  23. ) || \
  24. /* Lhs==pointer and Rhs==pointer and Lhs!=base(Rhs) and Rhs!=base(Lhs) and Lhs!=void* and Rhs!=void* */\
  25. (\
  26. ::boost::is_pointer< Lhs_noref >::value && \
  27. ::boost::is_pointer< Rhs_noref >::value && \
  28. (! \
  29. (\
  30. ::boost::is_base_of< Lhs_noptr, Rhs_noptr >::value || \
  31. ::boost::is_base_of< Rhs_noptr, Lhs_noptr >::value || \
  32. ::boost::is_same< Lhs_noptr, Rhs_noptr >::value || \
  33. ::boost::is_void< Lhs_noptr >::value || \
  34. ::boost::is_void< Rhs_noptr >::value\
  35. )\
  36. )\
  37. ) || \
  38. (\
  39. ::boost::type_traits_detail::is_likely_stateless_lambda<Lhs_noref>::value\
  40. )\
  41. )
  42. #include <boost/type_traits/detail/has_binary_operator.hpp>
  43. #undef BOOST_TT_TRAIT_NAME
  44. #undef BOOST_TT_TRAIT_OP
  45. #undef BOOST_TT_FORBIDDEN_IF
  46. #endif