Tools.h++ Manual

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virtual RWCollectable* remove(const RWCollectable*);
Redefined from class RWSlistCollectables . Calls pop() . The argument is
ignored.
RWCollectable* pop();
Removes and returns the item at the top of the stack, or returns nil if the stack
is empty.
void push(RWCollectable*);
Adds an item to the top of the stack.
RWCollectable* top() const;
Returns the item at the top of the stack or nil if the stack is empty.