Class: CollectionUtils::Queue

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

Instance Method Summary collapse

Constructor Details

#initialize(array = []) ⇒ Queue

Constructors



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# File 'lib/collection_utils/queue.rb', line 9

def initialize(array=[])
  @queue = []
  array.each do |element|
    enqueue(element)
  end
end

Instance Method Details

#dequeue ⇒ Object 



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# File 'lib/collection_utils/queue.rb', line 22

def dequeue
  element = @queue.first
  @queue = @queue.slice(1..-1)
  return element
end

#enqueue(element) ⇒ Object

Public Methods



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# File 'lib/collection_utils/queue.rb', line 18

def enqueue(element)
  @queue << element
end

#front ⇒ Object 



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# File 'lib/collection_utils/queue.rb', line 28

def front
  return @queue.first
end

#is_empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/collection_utils/queue.rb', line 36

def is_empty?
  return @queue.size == 0
end

#rear ⇒ Object 



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# File 'lib/collection_utils/queue.rb', line 32

def rear
  return @queue.last
end

#size ⇒ Object 



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# File 'lib/collection_utils/queue.rb', line 40

def size
  return @queue.size
end