05/01/23 09:21:45
>>245
CL-USER> (defpackage "MY-PACKAGE" (:export "FUNC")) => #<PACKAGE MY-PACKAGE>
CL-USER> (in-package "MY-PACKAGE") => #<PACKAGE MY-PACKAGE>
MY-PACKAGE> (defun func () (* 12 12)) => func
MY-PACKAGE> (in-package "CL-USER") => #<PACKAGE COMMON-LISP-USER>
CL-USER> (my-package:func) => 144
CL-USER> (func) -> undefined function FUNC [Condition of type SYSTEM::SIMPLE-UNDEFINED-FUNCTION]