ceph/src/boost/libs/unordered/test/helpers/check_return_type.hpp

   1
   2 // Copyright 2005-2009 Daniel James.
   3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #if !defined(BOOST_UNORDERED_TEST_HELPERS_CHECK_RETURN_TYPE_HEADER)
   7 #define BOOST_UNORDERED_TEST_HELPERS_CHECK_RETURN_TYPE_HEADER
   8
   9 #include <boost/static_assert.hpp>
  10 #include <boost/type_traits/is_same.hpp>
  11 #include <boost/type_traits/is_convertible.hpp>
  12
  13 namespace test
  14 {
  15     template <class T1>
  16     struct check_return_type
  17     {
  18         template <class T2>
  19         static void equals(T2)
  20         {
  21             BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value));
  22         }
  23
  24         template <class T2>
  25         static void equals_ref(T2&)
  26         {
  27             BOOST_STATIC_ASSERT((boost::is_same<T1, T2>::value));
  28         }
  29
  30         template <class T2>
  31         static void convertible(T2)
  32         {
  33             BOOST_STATIC_ASSERT((boost::is_convertible<T2, T1>::value));
  34         }
  35     };
  36 }
  37
  38 #endif