ceph/src/boost/libs/config/test/boost_no_std_iterator.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 the most recent version.
   7
   8 //  MACRO:         BOOST_NO_STD_ITERATOR
   9 //  TITLE:         std::iterator
  10 //  DESCRIPTION:   The C++ implementation fails to provide the
  11 //                 std::iterator class.
  12
  13 #include <iterator>
  14 #include <stddef.h>
  15
  16 namespace boost_no_std_iterator{
  17
  18
  19 int test()
  20 {
  21    typedef std::iterator<
  22       std::random_access_iterator_tag,
  23       int,
  24       ptrdiff_t,
  25       int*,
  26       int&
  27       > iterator_type;
  28
  29    iterator_type::value_type v = 0;
  30    iterator_type::difference_type d = 0;
  31    iterator_type::pointer p = &v;
  32    iterator_type::reference r = v;
  33    iterator_type::iterator_category cat;
  34
  35    typedef std::iterator<
  36       std::random_access_iterator_tag,
  37       int
  38       > iterator_type_2;
  39
  40    iterator_type_2::value_type v2 = 0;
  41    iterator_type_2::difference_type d2 = 0;
  42    iterator_type_2::pointer p2 = &v2;
  43    iterator_type_2::reference r2 = v2;
  44    iterator_type_2::iterator_category cat2;
  45    //
  46    // suppress some warnings:
  47    //
  48    (void) &v;
  49    (void) &d;
  50    (void) &p;
  51    (void) &r;
  52    (void) &cat;
  53
  54    (void) &v2;
  55    (void) &d2;
  56    (void) &p2;
  57    (void) &r2;
  58    (void) &cat2;
  59
  60    return 0;
  61 }
  62
  63 }
  64
  65
  66
  67