Flowdock
method

scan_open_optional_arguments

Importance_0
scan_open_optional_arguments(*rest) public

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# File lib/open-uri.rb, line 117
  def OpenURI.scan_open_optional_arguments(*rest) # :nodoc:
    if !rest.empty? && (String === rest.first || Integer === rest.first)
      mode = rest.shift
      if !rest.empty? && Integer === rest.first
        perm = rest.shift
      end
    end
    return mode, perm, rest
  end
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