ceph/src/boost/libs/iterator/example/shared_iterator_example3.cpp

   1 // Copyright 2003 The Trustees of Indiana University.
   2
   3 // Use, modification and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #include "boost/shared_container_iterator.hpp"
   8 #include "boost/shared_ptr.hpp"
   9 #include "boost/tuple/tuple.hpp" // for boost::tie
  10 #include <algorithm>              // for std::copy
  11 #include <iostream>
  12 #include <vector>
  13
  14
  15 typedef boost::shared_container_iterator< std::vector<int> > iterator;
  16
  17 std::pair<iterator,iterator>
  18 return_range() {
  19   boost::shared_ptr< std::vector<int> > range(new std::vector<int>());
  20   range->push_back(0);
  21   range->push_back(1);
  22   range->push_back(2);
  23   range->push_back(3);
  24   range->push_back(4);
  25   range->push_back(5);
  26   return boost::make_shared_container_range(range);
  27 }
  28
  29
  30 int main() {
  31
  32
  33   iterator i,end;
  34
  35   boost::tie(i,end) = return_range();
  36
  37   std::copy(i,end,std::ostream_iterator<int>(std::cout,","));
  38   std::cout.put('\n');
  39
  40   return 0;
  41 }