ceph/src/boost/boost/type_traits/has_minus.hpp

   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
   9 #ifndef BOOST_TT_HAS_MINUS_HPP_INCLUDED
  10 #define BOOST_TT_HAS_MINUS_HPP_INCLUDED
  11
  12 #define BOOST_TT_TRAIT_NAME has_minus
  13 #define BOOST_TT_TRAIT_OP -
  14 #define BOOST_TT_FORBIDDEN_IF\
  15    (\
  16       /* Lhs==pointer and Rhs==fundamental and Rhs!=integral */\
  17       (\
  18          ::boost::is_pointer< Lhs_noref >::value && \
  19          ::boost::is_fundamental< Rhs_nocv >::value && \
  20          (!  ::boost::is_integral< Rhs_noref >::value )\
  21       ) || \
  22       /* Lhs==void* and (Rhs==fundamental or Rhs==pointer) */\
  23       (\
  24          ::boost::is_pointer< Lhs_noref >::value && \
  25          ::boost::is_void< Lhs_noptr >::value && \
  26          ( \
  27             ::boost::is_fundamental< Rhs_nocv >::value || \
  28             ::boost::is_pointer< Rhs_noref >::value\
  29           )\
  30       ) || \
  31       /* Rhs==void* and (Lhs==fundamental or Lhs==pointer) */\
  32       (\
  33          ::boost::is_pointer< Rhs_noref >::value && \
  34          ::boost::is_void< Rhs_noptr >::value && \
  35          (\
  36             ::boost::is_fundamental< Lhs_nocv >::value || \
  37             ::boost::is_pointer< Lhs_noref >::value\
  38           )\
  39       ) ||\
  40       /* Lhs=fundamental and Rhs=pointer */\
  41       (\
  42          ::boost::is_fundamental< Lhs_nocv >::value && \
  43          ::boost::is_pointer< Rhs_noref >::value\
  44       ) ||\
  45       /* two different pointers */\
  46       (\
  47          ::boost::is_pointer< Lhs_noref >::value && \
  48          ::boost::is_pointer< Rhs_noref >::value && \
  49          (!  ::boost::is_same< Lhs_nocv, Rhs_nocv >::value )\
  50       )\
  51       )
  52
  53
  54 #include <boost/type_traits/detail/has_binary_operator.hpp>
  55
  56 #undef BOOST_TT_TRAIT_NAME
  57 #undef BOOST_TT_TRAIT_OP
  58 #undef BOOST_TT_FORBIDDEN_IF
  59
  60 #endif