case BOOST_PP_TUPLE_ELEM()

in impl/EnumDetails.h [92:96]


  case BOOST_PP_TUPLE_ELEM(0, types)::BOOST_PP_TUPLE_ELEM(0, PAIR): { \
    return BOOST_PP_STRINGIZE(BOOST_PP_TUPLE_ELEM(0, PAIR)) + std::string(" (=") +                              \
        std::to_string(BOOST_PP_TUPLE_ELEM(1, types)(value)) +        \
        std::string(")");                                             \
  }