Module: Enumerable

Defined in:
lib/feature_cop/enumerable_extensions.rb

Instance Method Summary collapse

Instance Method Details

#sum(identity = 0, &block) ⇒ Object 



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# File 'lib/feature_cop/enumerable_extensions.rb', line 2

def sum(identity = 0, &block)
  if block_given?
    map(&block).sum(identity)
  else
    inject { |sum, element| sum + element } || identity
  end
end