ceph/src/Beast/include/beast/core/buffer_concepts.hpp

   1 //
   2 // Copyright (c) 2013-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 //
   7
   8 #ifndef BEAST_BUFFER_CONCEPTS_HPP
   9 #define BEAST_BUFFER_CONCEPTS_HPP
  10
  11 #include <beast/config.hpp>
  12 #include <beast/core/detail/buffer_concepts.hpp>
  13 #include <boost/asio/buffer.hpp>
  14 #include <type_traits>
  15
  16 namespace beast {
  17
  18 /// Determine if `T` meets the requirements of @b `BufferSequence`.
  19 template<class T, class BufferType>
  20 #if BEAST_DOXYGEN
  21 struct is_BufferSequence : std::integral_constant<bool, ...>
  22 #else
  23 struct is_BufferSequence : detail::is_BufferSequence<T, BufferType>::type
  24 #endif
  25 {
  26 };
  27
  28 /// Determine if `T` meets the requirements of @b `ConstBufferSequence`.
  29 template<class T>
  30 #if BEAST_DOXYGEN
  31 struct is_ConstBufferSequence : std::integral_constant<bool, ...>
  32 #else
  33 struct is_ConstBufferSequence :
  34     is_BufferSequence<T, boost::asio::const_buffer>
  35 #endif
  36 {
  37 };
  38
  39 /// Determine if `T` meets the requirements of @b `DynamicBuffer`.
  40 template<class T>
  41 #if BEAST_DOXYGEN
  42 struct is_DynamicBuffer : std::integral_constant<bool, ...>
  43 #else
  44 struct is_DynamicBuffer : detail::is_DynamicBuffer<T>::type
  45 #endif
  46 {
  47 };
  48
  49 /// Determine if `T` meets the requirements of @b `MutableBufferSequence`.
  50 template<class T>
  51 #if BEAST_DOXYGEN
  52 struct is_MutableBufferSequence : std::integral_constant<bool, ...>
  53 #else
  54 struct is_MutableBufferSequence :
  55     is_BufferSequence<T, boost::asio::mutable_buffer>
  56 #endif
  57 {
  58 };
  59
  60 } // beast
  61
  62 #endif