Method: Lista#remove

Defined in:
lib/pract/list.rb

#remove(val) ⇒ Object

Remove an element

Parameters:

  • as the value we want to remove



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# File 'lib/pract/list.rb', line 60

def remove (val)
  if (@head != nil)
      if(@head == @tail) && (@head.val == val)
      @head = nil
      @tail = nil
    elsif (@head.val == val)
      remove_first
    elsif (@tail.val == val)
      remove_last
    else
      point = @head
      while (point.next != nil) && (point.val != val)
        point = point.next
      end
      if point != @tail
        before = point.prev
        after = point.next
        before.next = after
        after.prev = before
        point.prev = nil
        point.next = nil
      end
    end
  end
end