Common Lisp allows integer types of however many bits you want using SIGNED-BYTE and UNSIGNED-BYTE (don't let the names confuse you; a byte isn't necessarily 8

Common Lisp allows integer types of however many bits you want using SIGNED-BYTE and UNSIGNED-BYTE (don't let the names confuse you; a byte isn't necessarily 8 bits): CL-USER> (the (unsigned-byte 5) 31) 31 CL-USER> (the (unsigned-byte 5) 32) ; Evaluation aborted on #<SIMPLE-TYPE-ERROR expected-type: (UNSIGNED-BYTE 5) datum: 32>.