Extracted from Pike v7.6 release 61 at 2005-12-30.
pike.ida.liu.se
[Top]
ADT
ADT.CircularList
ADT.CircularList()->CircularListIterator

Method ADT.CircularList()->CircularListIterator()->has_previous()


Method has_previous

int(0..1) has_previous(void|int steps)

Returns

Returns true if it is possible to move steps steps backwards, if steps weren't supplied it check if it is possible to move one step backward.