Maybe a small matter, but SmallInteger>>digitAt: is in the "system primitives" protocol, even though it doesn't call a primitive. OTOH, LargePositiveInteger does use a primitive for #digitAt: -- View this message in context: http://forum.world.st/SmallInteger-digitAt-protocol-tp4631830.html Sent from the Pharo Smalltalk mailing list archive at Nabble.com.