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stdx::IndirectItr Class Template Reference

template<class I>
class stdx::IndirectItr< I >

Often we want to iterate through a container of pointers, but we want it to appear like we are iterating through a container of references to the objects the original pointers pointed to. We can do this with a new iterator which adds an extra dereference. This allows the following code to work:

 list<int*> lst;
 // ... fill the lst with pointers to ints ...
 copy( indirect_iseq(lst), ostream_iterator<int>(cout) );

Notice that because we are using indirect iterators, the actual ints are copied to the output iterator, not the pointers to the ints.

List of all members.

Public Types

• base_iterator
• iterator_category
• value_type
• difference_type
• pointer
• reference

Public Methods

• IndirectItr ()
• IndirectItr (I baseItr)
• operator * () const
• operator-> () const
• operator[] (difference_type n) const
• operator+ (difference_type n) const
• operator+= (difference_type n)
• operator- (difference_type n) const
• operator-= (difference_type n)
• operator++ (int)
• operator++ ()
• operator-- (int)
• operator-- ()
• base () const

Detailed Documentation

Member Typedef Documentation

template<class I> typedef I stdx::IndirectItr::base_iterator

template<class I> typedef std::iterator_traits<I>::iterator_category stdx::IndirectItr::iterator_category

template<class I> typedef std::iterator_traits< typename std::iterator_traits<I>::value_type>::value_type stdx::IndirectItr::value_type

template<class I> typedef std::iterator_traits<I>::difference_type stdx::IndirectItr::difference_type

template<class I> typedef std::iterator_traits< typename std::iterator_traits<I>::value_type>::pointer stdx::IndirectItr::pointer

template<class I> typedef std::iterator_traits< typename std::iterator_traits<I>::value_type>::reference stdx::IndirectItr::reference

Constructor & Destructor Documentation

template<class I> stdx::IndirectItr< I >::IndirectItr (    )

Default indirect iterator constructor which creates an end-of-container marker.

template<class I> stdx::IndirectItr< I >::IndirectItr (  I    baseItr )  [explicit]

Primary indirect iterator constructor which creates a new indirector iterator wrapped around the given base iterator.

Member Function Documentation

template<class I> reference stdx::IndirectItr< I >::operator * (    )  const

template<class I> pointer stdx::IndirectItr< I >::operator-> (    )  const

template<class I> reference stdx::IndirectItr< I >::operator[] (  difference_type    n )  const

template<class I> IndirectItr<I> stdx::IndirectItr< I >::operator+ (  difference_type    n )  const

template<class I> IndirectItr<I>& stdx::IndirectItr< I >::operator+= (  difference_type    n )

template<class I> IndirectItr<I> stdx::IndirectItr< I >::operator- (  difference_type    n )  const

template<class I> IndirectItr<I>& stdx::IndirectItr< I >::operator-= (  difference_type    n )

template<class I> IndirectItr<I> stdx::IndirectItr< I >::operator++ (  int    )

template<class I> IndirectItr<I>& stdx::IndirectItr< I >::operator++ (    )

template<class I> IndirectItr<I> stdx::IndirectItr< I >::operator-- (  int    )

template<class I> IndirectItr<I>& stdx::IndirectItr< I >::operator-- (    )

template<class I> I stdx::IndirectItr< I >::base (    )  const

The documentation for this class was generated from the following file:

• stdxIndirectItr.h

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