ceph/src/boost/boost/move/detail/iterator_to_raw_pointer.hpp

   1 //////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga 2014-2015. 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_MOVE_DETAIL_ITERATOR_TO_RAW_POINTER_HPP
  11 #define BOOST_MOVE_DETAIL_ITERATOR_TO_RAW_POINTER_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/move/detail/iterator_traits.hpp>
  22 #include <boost/move/detail/to_raw_pointer.hpp>
  23 #include <boost/move/detail/pointer_element.hpp>
  24
  25 namespace boost {
  26 namespace movelib {
  27 namespace detail {
  28
  29 template <class T>
  30 inline T* iterator_to_pointer(T* i)
  31 {  return i; }
  32
  33 template <class Iterator>
  34 inline typename boost::movelib::iterator_traits<Iterator>::pointer
  35    iterator_to_pointer(const Iterator &i)
  36 {  return i.operator->();  }
  37
  38 template <class Iterator>
  39 struct iterator_to_element_ptr
  40 {
  41    typedef typename boost::movelib::iterator_traits<Iterator>::pointer  pointer;
  42    typedef typename boost::movelib::pointer_element<pointer>::type      element_type;
  43    typedef element_type* type;
  44 };
  45
  46 }  //namespace detail {
  47
  48 template <class Iterator>
  49 inline typename boost::movelib::detail::iterator_to_element_ptr<Iterator>::type
  50    iterator_to_raw_pointer(const Iterator &i)
  51 {
  52    return ::boost::movelib::to_raw_pointer
  53       (  ::boost::movelib::detail::iterator_to_pointer(i)   );
  54 }
  55
  56 }  //namespace movelib {
  57 }  //namespace boost {
  58
  59 #endif   //#ifndef BOOST_MOVE_DETAIL_ITERATOR_TO_RAW_POINTER_HPP