Commits
Junwang Zhao authored and Antoine Pitrou committed c83db7e1962
ARROW-13793: [C++] Migrate ORCFileReader to Result<T> Signed-off-by: Junwang Zhao <zhjwpku@gmail.com> Closes #11065 from zhjwpku/cpp/migrate_orcfilereader_to_result Authored-by: Junwang Zhao <zhjwpku@gmail.com> Signed-off-by: Antoine Pitrou <antoine@python.org>