# File activesupport/lib/active_support/cache/serializer_with_fallback.rb, line 88
def _load(marked)
  dumped = marked.byteslice(1..-1)
  if marked.start_with?(MARK_COMPRESSED)
    dumped = begin
      Zlib::Inflate.inflate(dumped)
    rescue Zlib::Error => error
      raise Cache::DeserializationError, "#{error.class}: #{error.message}"
    end
  end
  Cache::Entry.unpack(marshal_load(dumped))
end

# File activesupport/lib/active_support/cache/serializer_with_fallback.rb, line 73
def dump(entry)
  MARK_UNCOMPRESSED + Marshal.dump(entry.pack)
end

# File activesupport/lib/active_support/cache/serializer_with_fallback.rb, line 77
def dump_compressed(entry, threshold)
  dumped = Marshal.dump(entry.pack)

  if dumped.bytesize >= threshold
    compressed = Zlib::Deflate.deflate(dumped)
    return MARK_COMPRESSED + compressed if compressed.bytesize < dumped.bytesize
  end

  MARK_UNCOMPRESSED + dumped
end

# File activesupport/lib/active_support/cache/serializer_with_fallback.rb, line 100
def dumped?(dumped)
  dumped.start_with?(MARK_UNCOMPRESSED, MARK_COMPRESSED)
end