Ensure that sort callbacks consistently return [-N .. 0 .. +N] values instead of just true/false. Signed-off-by: Jo-Philipp Wich <jo@mein.io> (cherry picked from commit e35041e0a8edcf039d62a74cbc5e0f4043d04029)
Ensure that sort callbacks consistently return [-N .. 0 .. +N] values instead of just true/false. Signed-off-by: Jo-Philipp Wich <jo@mein.io> (cherry picked from commit e35041e0a8edcf039d62a74cbc5e0f4043d04029)