ceph/src/boost/libs/container/bench/detail/varray_concept.hpp

   1 // Boost.Container varray
   2 //
   3 // Copyright (c) 2012-2013 Andrew Hundt.
   4 // Copyright (c) 2012-2013 Adam Wulkiewicz, Lodz, Poland.
   5 //
   6 // Use, modification and distribution is subject to the Boost Software License,
   7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #ifndef BOOST_CONTAINER_VARRAY_CONCEPT_HPP
  11 #define BOOST_CONTAINER_VARRAY_CONCEPT_HPP
  12
  13 #include <boost/concept_check.hpp>
  14
  15 namespace boost { namespace container { namespace dtl { namespace concept {
  16
  17 /**
  18  * VArrayStrategyConcept
  19  *
  20  *  \brief Checks strategy for varray<Value,Capacity,Strategy>, which has similarities to std::allocator
  21  *  \ingroup varray
  22  */
  23 template<typename Strategy>
  24 struct VArrayStrategy {
  25 #ifndef DOXYGEN_NO_CONCEPT_MEMBERS
  26
  27     // typedefs are the same as in std::allocator
  28     typedef typename Strategy::value_type      value_type;
  29     typedef typename Strategy::size_type       size_type;
  30     typedef typename Strategy::difference_type difference_type;
  31     typedef typename Strategy::pointer         pointer;
  32     typedef typename Strategy::const_pointer   const_pointer;
  33     typedef typename Strategy::reference       reference;
  34     typedef typename Strategy::const_reference const_reference;
  35
  36     struct check_methods
  37     {
  38         static void apply()
  39         {
  40             Strategy const* str = 0;
  41
  42             // must implement allocate_failed
  43             str->allocate_failed();
  44
  45             boost::ignore_unused_variable_warning(str);
  46         }
  47     };
  48
  49 public :
  50     BOOST_CONCEPT_USAGE(VArrayStrategy)
  51     {
  52         check_methods::apply();
  53     }
  54
  55 #endif
  56 };
  57
  58 }}}} // namespace boost::container::dtl::concept
  59
  60 #endif //BOOST_CONTAINER_VARRAY_CONCEPT_HPP