Class: Array

Inherits:
Object show all
Defined in:
lib/classifier/extensions/vector.rb

Instance Method Summary collapse

Instance Method Details

#sum(identity = 0, &block) ⇒ Object 



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# File 'lib/classifier/extensions/vector.rb', line 10

def sum(identity = 0, &block)
  return identity unless size > 0

  if block_given?
    map(&block).sum
  else
    reduce(:+)
  end
end