Module: Polyfill::V2_4::Array

Defined in:
lib/polyfill/v2_4/array.rb

Instance Method Summary collapse

Instance Method Details

#concat(*others) ⇒ Object 



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# File 'lib/polyfill/v2_4/array.rb', line 8

def concat(*others)
  return super if others.length == 1

  acc = [].concat(self)
  others.each do |other|
    acc.concat(other)
  end

  replace(acc)
end

#sum(init = 0) ⇒ Object 



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# File 'lib/polyfill/v2_4/array.rb', line 19

def sum(init = 0)
  acc = init.dup

  for i in 0..(size - 1) # rubocop:disable Style/For
    elem = self[i]
    acc += block_given? ? yield(elem) : elem
  end

  acc
end