This is a simple stack object offering add / pop functionality
Public fields
stackA list containing the current stack
Methods
Method add()
Adds content to the end of the stack (must be a list)
Arguments
xcontent to add to the stack
Method pop()
Retrieve content from the stack
Arguments
ithe number of items to retrieve from the stack. If there are less than i
items left on the stack it will just return everything that is left.
Method clone()
The objects of this class are cloneable with this method.
Usage
Stack$clone(deep = FALSE)
Arguments
deepWhether to make a deep clone.
