Description Usage Arguments Details Value
Stack is an abstract data type which allows for pushing elements and popping them in reverse (last in-first out) order.
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stack |
a stack object |
obj |
an R object |
... |
other arguments passed to or from other methods |
stack_create
creates a new stack.
as.list.Stack
converts a given stack object to an R list.
stack_empty
determines if a given stack is empty or not.
stack_push
pushes a given object to the top of the stack.
stack_pop
pops an object from the top of the stack.
print.Stack
prints the contents of the stack
(coerced to a list object) on the console.
format.Stack
pretty-prints the contents of the stack
(coerced to a list object) on the console.
str.Stack
compactly displays the contents of the stack
(coerced to a list object) on the console.
stack_create
returns a new, empty stack.
as.list.Stack
returns an R list object.
stack_empty
returns a single logical value.
stack_push
does not return anything interesting.
stack_pop
returns an object at the top of te stack or
throws an error if the stack is empty.
print.Stack
returns the stack coerced to a list, invisibly.
format.Stack
returns the character representation
of the objects in the stack.
str.Stack
does not return anything interesting.
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