ceph/src/boost/boost/container/detail/container_or_allocator_rebind.hpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga 2017-2017. Distributed under the Boost
   4 // Software License, Version 1.0. (See accompanying file
   5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7 // See http://www.boost.org/libs/container for documentation.
   8 //
   9 //////////////////////////////////////////////////////////////////////////////
  10 #ifndef BOOST_CONTAINER_DETAIL_CONTAINER_OR_ALLOCATOR_REBIND_HPP
  11 #define BOOST_CONTAINER_DETAIL_CONTAINER_OR_ALLOCATOR_REBIND_HPP
  12
  13 #ifndef BOOST_CONFIG_HPP
  14 #  include <boost/config.hpp>
  15 #endif
  16
  17 #if defined(BOOST_HAS_PRAGMA_ONCE)
  18 #  pragma once
  19 #endif
  20
  21 #include <boost/container/allocator_traits.hpp>
  22 #include <boost/container/detail/container_rebind.hpp>
  23 #include <boost/container/detail/is_container.hpp>
  24
  25 namespace boost {
  26 namespace container {
  27 namespace dtl {
  28
  29 template<class AllocatorOrContainer, class ToType, bool = is_container<AllocatorOrContainer>::value>
  30 struct container_or_allocator_rebind_impl
  31    : container_rebind<AllocatorOrContainer, ToType>
  32 {};
  33
  34 template<class AllocatorOrContainer, class ToType>
  35 struct container_or_allocator_rebind_impl<AllocatorOrContainer, ToType, false>
  36    : allocator_traits<AllocatorOrContainer>::template portable_rebind_alloc<ToType>
  37 {};
  38
  39 template<class ToType>
  40 struct container_or_allocator_rebind_impl<void, ToType, false>
  41    : real_allocator<ToType, void>
  42 {};
  43
  44 template<class AllocatorOrContainer, class ToType>
  45 struct container_or_allocator_rebind
  46    : container_or_allocator_rebind_impl<AllocatorOrContainer, ToType>
  47 {};
  48
  49 }  //namespace dtl {
  50 }  //namespace container {
  51 }  //namespace boost {
  52
  53 #endif   //#ifndef BOOST_CONTAINER_DETAIL_CONTAINER_OR_ALLOCATOR_REBIND_HPP