ceph/src/boost/libs/units/include/boost/units/reduce_unit.hpp

   1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and
   2 // unit/quantity manipulation and conversion
   3 //
   4 // Copyright (C) 2003-2008 Matthias Christian Schabel
   5 // Copyright (C) 2007-2008 Steven Watanabe
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See
   8 // accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #ifndef BOOST_UNITS_REDUCE_UNIT_HPP_INCLUDED
  12 #define BOOST_UNITS_REDUCE_UNIT_HPP_INCLUDED
  13
  14 /// \file
  15 /// \brief Returns a unique type for every unit.
  16
  17 namespace boost {
  18 namespace units {
  19
  20 #ifdef BOOST_UNITS_DOXYGEN
  21
  22 /// Returns a unique type for every unit.
  23 template<class Unit>
  24 struct reduce_unit {
  25     typedef detail::unspecified type;
  26 };
  27
  28 #else
  29
  30 // default implementation: return Unit unchanged.
  31 template<class Unit>
  32 struct reduce_unit {
  33     typedef Unit type;
  34 };
  35
  36 #endif
  37
  38 }
  39 }
  40
  41 #endif