Class: LinkedList::DoublyNode

Inherits:
Object
  • Object
show all
Defined in:
lib/linked_list_sourav.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data, backward = nil, forward = nil) ⇒ DoublyNode

Returns a new instance of DoublyNode.



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# File 'lib/linked_list_sourav.rb', line 21

def initialize(data, backward=nil, forward=nil)
  @data = data
  @backward = backward
  @forward = forward
  self
end

Instance Attribute Details

#backward ⇒ Object

Returns the value of attribute backward.



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# File 'lib/linked_list_sourav.rb', line 20

def backward
  @backward
end

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/linked_list_sourav.rb', line 20

def data
  @data
end

#forward ⇒ Object

Returns the value of attribute forward.



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# File 'lib/linked_list_sourav.rb', line 20

def forward
  @forward
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/linked_list_sourav.rb', line 28

def to_s
  string = "Data: #{self.data} "
  string << "Points to: #{self.forward.data}" if self.forward
  string << " Pointed by: #{self.backward.data}" if self.backward
  string
end