ceph/src/boost/libs/config/test/boost_no_inline_memb_init.ipp

   1 //  (C) Copyright John Maddock 2001.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 //  See http://www.boost.org/libs/config for most recent version.
   7
   8 //  MACRO:         BOOST_NO_INCLASS_MEMBER_INITIALIZATION
   9 //  TITLE:         inline member constant initialisation
  10 //  DESCRIPTION:   Compiler violates std::9.4.2/4.
  11
  12
  13 namespace boost_no_inclass_member_initialization{
  14
  15 struct UDT{};
  16
  17
  18 template <bool b1, bool b2, bool b3, bool b4, bool b5, bool b6, bool b7>
  19 struct ice_or_helper
  20 {
  21    static const bool value = true;
  22 };
  23 template <>
  24 struct ice_or_helper<false, false, false, false, false, false, false>
  25 {
  26    static const bool value = false;
  27 };
  28
  29 template <bool b1, bool b2, bool b3 = false, bool b4 = false, bool b5 = false, bool b6 = false, bool b7 = false>
  30 struct ice_or
  31 {
  32    static const bool value = ice_or_helper<b1, b2, b3, b4, b5, b6, b7>::value;
  33 };
  34
  35 template <class T>
  36 struct is_int
  37 {
  38    static const bool value = false;
  39 };
  40
  41 template <>
  42 struct is_int<int>
  43 {
  44    static const bool value = true;
  45 };
  46
  47 #if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)))
  48 #  define BOOST_UNUSED_ATTRIBUTE __attribute__((unused))
  49 #else
  50 #  define BOOST_UNUSED_ATTRIBUTE
  51 #endif
  52
  53
  54 int test()
  55 {
  56    typedef int a1[ice_or< is_int<int>::value, is_int<UDT>::value>::value ? 1 : -1] BOOST_UNUSED_ATTRIBUTE;
  57    return 0;
  58 }
  59
  60 }
  61
  62 #undef BOOST_UNUSED_ATTRIBUTE