ceph/src/boost/libs/chrono/stopwatches/include/boost/chrono/stopwatches/collectors/no_memory.hpp

   1 //  boost/chrono/stopwatches/collectors/no_memory.hpp
   2 //  Copyright 2011 Vicente J. Botet Escriba
   3 //  Distributed under the Boost Software License, Version 1.0.
   4 //  (See accompanying file LICENSE_1_0.txt or
   5 //   copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //  See http://www.boost.org/libs/chrono/stopwatches for documentation.
   7
   8 #ifndef BOOST_CHRONO_STOPWATCHES_MEMORIES_NO_MEMORY_HPP
   9 #define BOOST_CHRONO_STOPWATCHES_MEMORIES_NO_MEMORY_HPP
  10
  11
  12 namespace boost
  13 {
  14   namespace chrono
  15   {
  16
  17     template<typename Duration>
  18     struct no_memory
  19     {
  20       typedef Duration duration;
  21
  22       duration elapsed() const  { return duration::zero(); }
  23       duration last() const  { return duration::zero(); }
  24       void store(duration const& )  {}
  25       void reset() {}
  26
  27     };
  28
  29
  30   } // namespace chrono
  31 } // namespace boost
  32
  33
  34 #endif
  35
  36