The iterator adaptor Counting_iterator<Iterator, Value> adds a
counter to the internal iterator of type Iterator and defines
equality of two instances in terms of this counter. It can be used
to create finite sequences of possibly infinite sequences of values
from input iterators.
#include <CGAL/iterator.h>
Is Model for the Concepts
InputIterator
Requirements
Iterator is a model for
InputIterator.
Creation
Counting_iterator<Iterator, Value> i ( std::size_t n = 0);
initializes
the internal counter to and i has a singular value.
Counting_iterator<Iterator, Value> i ( Iterator j, std::size_t n = 0);
