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

   1 //  boost/chrono/stopwatches/collectors/last_lap.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_LAST_LAP_HPP
   9 #define BOOST_CHRONO_STOPWATCHES_MEMORIES_LAST_LAP_HPP
  10
  11
  12 namespace boost
  13 {
  14   namespace chrono
  15   {
  16
  17     template<typename Duration>
  18     struct last_lap
  19     {
  20       typedef Duration duration;
  21       duration last_;
  22       void store(duration const& d)
  23       {
  24         last_ = d;
  25       }
  26       void reset()
  27       {
  28         last_ = duration::zero();
  29       }
  30       duration last() const  { return last_; }
  31       duration elapsed() const  { return duration::zero(); }
  32
  33     };
  34
  35
  36   } // namespace chrono
  37 } // namespace boost
  38
  39
  40 #endif
  41
  42