Class: GunDog::IndexedArray

Inherits:
Array
  • Object
show all
Defined in:
lib/gun_dog/indexed_array.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ IndexedArray

Returns a new instance of IndexedArray.



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# File 'lib/gun_dog/indexed_array.rb', line 5

def initialize(*args)
  super(args)
  @lut = {}
end

Instance Attribute Details

#lut ⇒ Object (readonly)

Returns the value of attribute lut.



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# File 'lib/gun_dog/indexed_array.rb', line 3

def lut
  @lut
end

Instance Method Details

#<<(obj) ⇒ Object 



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# File 'lib/gun_dog/indexed_array.rb', line 10

def <<(obj)
  super(obj)
  @lut[obj.object_id] = length
  obj
end

#find_object(obj) ⇒ Object 



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# File 'lib/gun_dog/indexed_array.rb', line 20

def find_object(obj)
  at(index_of_object(obj))
end

#index_of_object(obj) ⇒ Object 



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# File 'lib/gun_dog/indexed_array.rb', line 16

def index_of_object(obj)
  @lut.fetch(obj.object_id)
end