iflListIterRev man page on IRIX

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iflListIter(3)	  Image Format Library C++ Reference Manual	iflListIter(3)

NAME
     iflListIter, iflListIterRev, iflMultiListIter, iflMultiListIterRev -
     iterators for iflList and iflMultiList

INHERITS FROM
     This is a base class.

HEADER FILE
     #include <ifl/iflList.h>

CLASS DESCRIPTION
     ifl[Multi]ListIter and ifl[Multi]ListIterRev provide lightweight
     iterators for doubly-linked lists derived from iflList or iflMultiList.

     Using iflListIter
     Say you have built a list of some sort of item:

	  iflList<someItem> list;
	  for (int i = 0; i < 10; i++)
	      list.append(new someItem(i));

     You can iterate through the items from the head to the tail by doing:

	  iflListIter<someItem> iter(list);
	  someItem* item;
	  while (item = iter.next()) {
	      // do something with item (and possibly unlink/delete it)
	  }

     Alternatively, you can iterate backwards, from the tail to the head with:

	  iflListIterRev<someItem> iter(list);
	  someItem* item;
	  while (item = iter.next()) {
	      // do something with item (and possibly unlink/delete it)
	  }

CLASS MEMBER FUNCTION SUMMARY
     Constructors

	  iflListIter<I>(const iflList<I>* list)
	  iflListIter<I>(const iflList<I>& list)

	  iflListIterRev<I>(const iflList<I>* list)
	  iflListIterRev<I>(const iflList<I>& list)

	  iflMultiListIter<I,L>(const iflMultiList<I,L>* list)
	  iflMultiListIter<I,L>(const iflMultiList<I,L>& list)

									Page 1

iflListIter(3)	  Image Format Library C++ Reference Manual	iflListIter(3)

	  iflMultiListIterRev<I,L>(const iflMultiList<I,L>* list)
	  iflMultiListIterRev<I,L>(const iflMultiList<I,L>& list)

     Traversing

	  I* next()
	  I* curr() const
	  void reset()

FUNCTION DESCRIPTIONS
     iflListIter()

	  iflListIter<I>(const iflList<I>* list)
	  iflListIter<I>(const iflList<I>& list)

	  Constructs a forward (head to tail) iterator from a pointer or
	  reference to an iflList, given by list.

     iflMultiListIter()

	  iflMultiListIter<I,L>(const iflMultiList<I,L>* list)
	  iflMultiListIter<I,L>(const iflMultiList<I,L>& list)

	  Constructs a forward (head to tail) iterator from a pointer or
	  reference to an iflMultiList, given by list.

     iflListIterRev()

	  iflListIterRev<I>(const iflList<I>* list)
	  iflListIterRev<I>(const iflList<I>& list)

	  Constructs a reverse (tail to head) iterator from a pointer or
	  reference to an iflList, given by list.

     iflMultiListIterRev()

	  iflMultiListIterRev<I,L>(const iflMultiList<I,L>* list)
	  iflMultiListIterRev<I,L>(const iflMultiList<I,L>& list)

	  Constructs a reverse (tail to head) iterator from a pointer or
	  reference to an iflMultiList, given by list.

     curr()

									Page 2

iflListIter(3)	  Image Format Library C++ Reference Manual	iflListIter(3)

	  I* curr() const

	  Returns the current element of the iteration; this is the same value
	  as that last returned from next().

     next()

	  I* next()

	  Returns the next sequential element (the direction depends on the
	  type of iterator), or NULL if the end of the list has been reached.
	  The iterator is designed in such a way that it is safe to remove the
	  current item while traversing a list; no items will be skipped or
	  revisited.

     reset()

	  void reset()

	  Resets the iterator to start from the first element again.

SEE ALSO
     iflListItem, iflList, iflMultiList

									Page 3

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