method

marshal_dump_supports_canonical_option?

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marshal_dump_supports_canonical_option?() private

Check whether Marshal.dump supports the ‘canonical’ option. This option makes sure that Marshal.dump always dumps data structures in the same order. This is important because otherwise, the checksums that we generate may differ.

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# File lib/pstore.rb, line 433
  def marshal_dump_supports_canonical_option?
    begin
      Marshal.dump(nil, -1, true)
      result = true
    rescue
      result = false
    end
    self.class.instance_method(:marshal_dump_supports_canonical_option?)
    self.class.__send__(:define_method, :marshal_dump_supports_canonical_option?) do
      result
    end
    result
  end

marshal_dump_supports_canonical_option?

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