ceph/src/boost/boost/test/tools/detail/it_pair.hpp

   1 //  (C) Copyright Gennadiy Rozental 2001.
   2 //  Distributed under the Boost Software License, Version 1.0.
   3 //  (See accompanying file LICENSE_1_0.txt or copy at
   4 //  http://www.boost.org/LICENSE_1_0.txt)
   5
   6 //  See http://www.boost.org/libs/test for the library home page.
   7 //
   8 //  File        : $RCSfile$
   9 //
  10 //  Version     : $Revision: 74248 $
  11 //
  12 //  Description : support for backward compatible collection comparison interface
  13 // ***************************************************************************
  14
  15 #ifndef BOOST_TEST_TOOLS_DETAIL_IT_PAIR_HPP_112812GER
  16 #define BOOST_TEST_TOOLS_DETAIL_IT_PAIR_HPP_112812GER
  17
  18 #ifdef BOOST_TEST_NO_OLD_TOOLS
  19
  20 #include <boost/test/detail/suppress_warnings.hpp>
  21
  22 //____________________________________________________________________________//
  23
  24 namespace boost {
  25 namespace test_tools {
  26 namespace tt_detail {
  27
  28 // ************************************************************************** //
  29 // **************       backward compatibility support         ************** //
  30 // ************************************************************************** //
  31
  32 template<typename It>
  33 struct it_pair {
  34     typedef It const_iterator;
  35     typedef typename std::iterator_traits<It>::value_type value_type;
  36
  37     it_pair( It const& b, It const& e ) : m_begin( b ), m_size( 0 )
  38     {
  39         It tmp = b;
  40         while( tmp != e ) { ++m_size; ++tmp; }
  41     }
  42
  43     It      begin() const   { return m_begin; }
  44     It      end() const     { return m_begin + m_size; }
  45     size_t  size() const    { return m_size; }
  46
  47 private:
  48     It      m_begin;
  49     size_t  m_size;
  50 };
  51
  52 //____________________________________________________________________________//
  53
  54 template<typename It>
  55 it_pair<It>
  56 make_it_pair( It const& b, It const& e ) { return it_pair<It>( b, e ); }
  57
  58 //____________________________________________________________________________//
  59
  60 template<typename T>
  61 it_pair<T const*>
  62 make_it_pair( T const* b, T const* e ) { return it_pair<T const*>( b, e ); }
  63
  64 //____________________________________________________________________________//
  65
  66 } // namespace tt_detail
  67 } // namespace test_tools
  68 } // namespace boost
  69
  70 #include <boost/test/detail/enable_warnings.hpp>
  71
  72 #endif // BOOST_TEST_NO_OLD_TOOLS
  73
  74 #endif // BOOST_TEST_TOOLS_DETAIL_IT_PAIR_HPP_112812GER