CLHS: Function PACKAGE-USED-BY-LIST

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Function PACKAGE-USED-BY-LIST

Syntax:

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">)

Side Effects: None.

Affected By: None.

Exceptional Situations:

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

See Also:

use-package, unuse-package

Notes: None.

The following X3J13 cleanup issue, not part of the specification, applies to this section:

- PACKAGE-FUNCTION-CONSISTENCY:MORE-PERMISSIVE

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