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::

section use-package [Function] , section unuse-package [Function]

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