11.2.26 package-used-by-list [Function]

package-used-by-list package ⇒ used-by-list

Arguments and Values::

package—a package designator.

used-by-list—a list of package objects.

Description::

package-used-by-list returns a list of other packages that use package.

Examples::

 (package-used-by-list (make-package 'temp)) ⇒  ()
 (make-package 'trash :use '(temp)) ⇒  #<PACKAGE "TRASH">
 (package-used-by-list 'temp) ⇒  (#<PACKAGE "TRASH">)

Exceptional Situations::

Should signal an error of type type-error if package is not a package.

See Also::

use-package , unuse-package