ceph/src/boost/libs/test/include/boost/test/detail/workaround.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
   9 //!@brief contains mics. workarounds
  10 // ***************************************************************************
  11
  12 #ifndef BOOST_TEST_WORKAROUND_HPP_021005GER
  13 #define BOOST_TEST_WORKAROUND_HPP_021005GER
  14
  15 // Boost
  16 #include <boost/config.hpp> // compilers workarounds and std::ptrdiff_t
  17
  18 // STL
  19 #include <iterator>     // for std::distance
  20
  21 #include <boost/test/detail/suppress_warnings.hpp>
  22
  23 //____________________________________________________________________________//
  24
  25 namespace boost {
  26 namespace unit_test {
  27 namespace ut_detail {
  28
  29 #ifdef BOOST_NO_STD_DISTANCE
  30 template <class T>
  31 std::ptrdiff_t distance( T const& x_, T const& y_ )
  32 {
  33     std::ptrdiff_t res = 0;
  34
  35     std::distance( x_, y_, res );
  36
  37     return res;
  38 }
  39
  40 //____________________________________________________________________________//
  41
  42 #else
  43 using std::distance;
  44 #endif
  45
  46 template <class T> inline void ignore_unused_variable_warning(const T&) {}
  47
  48 } // namespace ut_detail
  49 } // namespace unit_test
  50 } // namespace boost
  51
  52 //____________________________________________________________________________//
  53
  54 #include <boost/test/detail/enable_warnings.hpp>
  55
  56 #endif // BOOST_TEST_WORKAROUND_HPP_021005GER