Abstract supertype of datastructures that can be used as LIFO stacks.
Note that many
Stacks are also
there is no defined relationship between the
order of elements in the list and the direction
of the stack. In particular, the top of the stack
may be first element of the list, or it may be
the last element of the list.
no type hierarchy
no supertypes hierarchy
The element currently at the top of the stack,
|Attributes inherited from: |