ceph/src/boost/boost/mp11/integral.hpp

   1 #ifndef BOOST_MP11_INTEGRAL_HPP_INCLUDED
   2 #define BOOST_MP11_INTEGRAL_HPP_INCLUDED
   3
   4 //  Copyright 2015 Peter Dimov.
   5 //
   6 //  Distributed under the Boost Software License, Version 1.0.
   7 //
   8 //  See accompanying file LICENSE_1_0.txt or copy at
   9 //  http://www.boost.org/LICENSE_1_0.txt
  10
  11 #include <type_traits>
  12 #include <cstddef>
  13
  14 namespace boost
  15 {
  16 namespace mp11
  17 {
  18
  19 // mp_bool
  20 template<bool B> using mp_bool = std::integral_constant<bool, B>;
  21
  22 using mp_true = mp_bool<true>;
  23 using mp_false = mp_bool<false>;
  24
  25 // mp_to_bool
  26 template<class T> using mp_to_bool = mp_bool<static_cast<bool>( T::value )>;
  27
  28 // mp_not<T>
  29 template<class T> using mp_not = mp_bool< !T::value >;
  30
  31 // mp_int
  32 template<int I> using mp_int = std::integral_constant<int, I>;
  33
  34 // mp_size_t
  35 template<std::size_t N> using mp_size_t = std::integral_constant<std::size_t, N>;
  36
  37 } // namespace mp11
  38 } // namespace boost
  39
  40 #endif // #ifndef BOOST_MP11_INTEGRAL_HPP_INCLUDED