Class: Algorithmable::DataStructs::Queue

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Errors
Defined in:
lib/algorithmable/data_structs/queue.rb

Constant Summary

Constants included from Errors

Errors::NoSuchElementError

Instance Method Summary collapse

Constructor Details

#initialize(collection = []) ⇒ Queue

Returns a new instance of Queue.



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# File 'lib/algorithmable/data_structs/queue.rb', line 9

def initialize(collection = [])
  @imp = Deque.new collection
end

Instance Method Details

#dequeue ⇒ Object 



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# File 'lib/algorithmable/data_structs/queue.rb', line 23

def dequeue
  @imp.pop_front
end

#enqueue(item) ⇒ Object 



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# File 'lib/algorithmable/data_structs/queue.rb', line 19

def enqueue(item)
  @imp.push_back(item)
end

#peek ⇒ Object 



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# File 'lib/algorithmable/data_structs/queue.rb', line 13

def peek
  peek_value = @imp.peek_front
  fail NoSuchElementError unless peek_value
  peek_value
end