ceph/src/boost/libs/config/test/boost_no_std_oi_assign.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_OUTPUT_ITERATOR_ASSIGN
   9 //  TITLE:         That the std output iterators are assignable
  10 //  DESCRIPTION:   Some std lib output iterators are not assignable
  11 //                 even this is required by the standard.
  12
  13 #include <iterator>
  14 #include <list>
  15 #include <iostream>
  16
  17
  18 namespace boost_no_std_output_iterator_assign {
  19
  20 int test()
  21 {
  22    std::list<int> l;
  23    std::back_insert_iterator<std::list<int> > bi1(l);
  24    std::back_insert_iterator<std::list<int> > bi2(l);
  25    bi1 = bi2;
  26
  27    std::front_insert_iterator<std::list<int> > fi1(l);
  28    std::front_insert_iterator<std::list<int> > fi2(l);
  29    fi1 = fi2;
  30
  31    std::ostream_iterator<char> osi1(std::cout);
  32    std::ostream_iterator<char> osi2(std::cout);
  33    osi1 = osi2;
  34
  35    return 0;
  36 }
  37
  38 }
  39
  40
  41
  42