compressed

# File activesupport/lib/active_support/cache.rb, line 970
      def compressed(compress_threshold)
        return self if compressed?

        case @value
        when nil, true, false, Numeric
          uncompressed_size = 0
        when String
          uncompressed_size = @value.bytesize
        else
          serialized = Marshal.dump(@value)
          uncompressed_size = serialized.bytesize
        end

        if uncompressed_size >= compress_threshold
          serialized ||= Marshal.dump(@value)
          compressed = Zlib::Deflate.deflate(serialized)

          if compressed.bytesize < uncompressed_size
            return Entry.new(compressed, compressed: true, expires_at: expires_at, version: version)
          end
        end
        self
      end