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STL & Generic Programming: Writing Your Own Iterators

By Thomas Becker, August 01, 2001

To our delight and edification, Thomas continues his iteration on iterators. This time we get help defining specialized iterators for our own containers
August 2001/STL & Generic Programming/Listing 3

Listing 3: The STL’s iterator_traits

template<typename _It>
struct iterator_traits 
{
  typedef typename _It::iterator_category iterator_category;
  typedef typename _It::value_type value_type;
  typedef typename _It::difference_type difference_type;
  typedef typename _It::pointer pointer;
  typedef typename _It::reference reference;
};
— End of Listing —


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