It turned out that all the users of btree can already be converted to use safer std::strong_ordering. The only meaningful change here is the btree code itself -- no more ints there. tests: unit(dev) Signed-off-by: Pavel Emelyanov <xemul@scylladb.com> Message-Id: <20210330153648.27049-1-xemul@scylladb.com>