Module: Enumerable

Defined in:
lib/extension/enumerable.rb

Instance Method Summary collapse

Instance Method Details

#each_with_rank ⇒ Object 



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# File 'lib/extension/enumerable.rb', line 2

def each_with_rank
  rank = 1
  last_number = nil
  self.each_with_index do |number, index|
    if last_number != number
      rank = index + 1
      last_number = number
    end
    yield [number, rank]
  end
end

#each_with_rank_by(symbol) ⇒ Object 



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# File 'lib/extension/enumerable.rb', line 14

def each_with_rank_by(symbol)
  rank = 1
  last_number = nil
  self.each_with_index do |object, index|
    number = object.send(symbol)
    if last_number != number
      rank = index + 1
      last_number = number
    end
    yield [object, rank]
  end
end