/usr/include/boost/ptr_container/detail/void_ptr_iterator.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
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// Boost.Pointer Container
//
// Copyright Thorsten Ottosen 2003-2005. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// For more information, see http://www.boost.org/libs/ptr_container/
//
#ifndef BOOST_PTR_CONTAINER_DETAIL_VOID_PTR_ITERATOR_HPP
#define BOOST_PTR_CONTAINER_DETAIL_VOID_PTR_ITERATOR_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#include <boost/config.hpp>
#include <boost/iterator/iterator_traits.hpp>
#include <boost/type_traits/remove_const.hpp>
namespace boost
{
template
<
class VoidIter,
class T
>
class void_ptr_iterator
{
public:
typedef BOOST_DEDUCED_TYPENAME boost::remove_const<T>::type
value_type;
typedef T& reference;
typedef T* pointer;
typedef BOOST_DEDUCED_TYPENAME iterator_difference<VoidIter>::type
difference_type;
typedef BOOST_DEDUCED_TYPENAME iterator_category<VoidIter>::type
iterator_category;
private:
VoidIter iter_;
public:
void_ptr_iterator() : iter_()
{ }
void_ptr_iterator( VoidIter r ) : iter_(r)
{ }
//
// Remark: passing by value breaks vc7.1
//
template< class MutableIterator, class MutableT >
void_ptr_iterator( const void_ptr_iterator<MutableIterator,MutableT>& r )
#ifdef BOOST_NO_SFINAE
: iter_( VoidIter(const_cast<void**>(&*r.base())) )
#else
: iter_(r.base())
#endif
{ }
T& operator*() const
{
return *static_cast<T*>( *iter_ );
}
T* operator->() const
{
return static_cast<T*>( *iter_ );
}
void_ptr_iterator& operator++()
{
++iter_;
return *this;
}
void_ptr_iterator operator++(int)
{
void_ptr_iterator res = *this;
++iter_;
return res;
}
void_ptr_iterator& operator--()
{
--iter_;
return *this;
}
void_ptr_iterator operator--(int)
{
void_ptr_iterator res = *this;
--iter_;
return res;
}
void_ptr_iterator& operator+=( difference_type n )
{
iter_ += n;
return *this;
}
void_ptr_iterator& operator-=( difference_type n )
{
iter_ -= n;
return *this;
}
T& operator[]( difference_type n ) const
{
return *static_cast<T*>( *(iter_ + n) );
}
VoidIter base() const
{
return iter_;
}
}; // class 'void_ptr_iterator'
template< class VoidIter, class T >
inline void_ptr_iterator<VoidIter,T>
operator+( void_ptr_iterator<VoidIter,T> l,
BOOST_DEDUCED_TYPENAME void_ptr_iterator<VoidIter,T>::difference_type n )
{
l += n;
return l;
}
template< class VoidIter, class T >
inline void_ptr_iterator<VoidIter,T>
operator+( BOOST_DEDUCED_TYPENAME void_ptr_iterator<VoidIter,T>::difference_type n,
void_ptr_iterator<VoidIter,T> r )
{
r += n;
return r;
}
template< class VoidIter, class T >
inline void_ptr_iterator<VoidIter,T>
operator-( void_ptr_iterator<VoidIter,T> l,
BOOST_DEDUCED_TYPENAME void_ptr_iterator<VoidIter,T>::difference_type n )
{
l -= n;
return l;
}
template< class VoidIter, class T >
inline void_ptr_iterator<VoidIter,T>
operator-( BOOST_DEDUCED_TYPENAME void_ptr_iterator<VoidIter,T>::difference_type n,
void_ptr_iterator<VoidIter,T> r )
{
r -= n;
return r;
}
template< class VoidIter, class T, class VoidIterU, class U >
inline BOOST_DEDUCED_TYPENAME void_ptr_iterator<VoidIter,T>::difference_type
operator-( void_ptr_iterator<VoidIter,T> l,
void_ptr_iterator<VoidIterU,U> r )
{
return l.base() - r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline bool operator==( const void_ptr_iterator<VoidIterT,T>& l,
const void_ptr_iterator<VoidIterU,U>& r )
{
return l.base() == r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline bool operator!=( const void_ptr_iterator<VoidIterT,T>& l,
const void_ptr_iterator<VoidIterU,U>& r )
{
return l.base() != r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline bool operator<( const void_ptr_iterator<VoidIterT,T>& l,
const void_ptr_iterator<VoidIterU,U>& r )
{
return l.base() < r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline bool operator<=( const void_ptr_iterator<VoidIterT,T>& l,
const void_ptr_iterator<VoidIterU,U>& r )
{
return l.base() <= r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline bool operator>( const void_ptr_iterator<VoidIterT,T>& l,
const void_ptr_iterator<VoidIterU,U>& r )
{
return l.base() > r.base();
}
template< class VoidIterT, class T, class VoidIterU, class U >
inline bool operator>=( const void_ptr_iterator<VoidIterT,T>& l,
const void_ptr_iterator<VoidIterU,U>& r )
{
return l.base() >= r.base();
}
}
#endif
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