Method Reader

src/reader/reader.cpp:30–30

	// read file
	{
		// allocate buffer
		m_buf = make_unique<Buf>(m_footer->rowgroup_size);         // todo[memory_pool]
		io io = make_unique<File>(dir_path / FASTLANES_FILE_NAME); // todo[IO]
		IO::read(io, *m_buf);