11.2.17 unuse-package [Function]

unuse-package packages-to-unuse &optional package => t

Arguments and Values::

packages-to-unuse—a designator for a list of package designators.

package—a package designator. The default is the current package.

Description::

unuse-package causes package to cease inheriting all the external symbols of packages-to-unuse; unuse-package undoes the effects of use-package. The packages-to-unuse are removed from the use list of package.

Any symbols that have been imported into package continue to be present in package.

Examples::

      (in-package "COMMON-LISP-USER") =>  #<PACKAGE "COMMON-LISP-USER">
      (export (intern "SHOES" (make-package 'temp)) 'temp) =>  T
      (find-symbol "SHOES") =>  NIL, NIL
      (use-package 'temp) =>  T
      (find-symbol "SHOES") =>  SHOES, :INHERITED
      (find (find-package 'temp) (package-use-list 'common-lisp-user)) =>  #<PACKAGE "TEMP">
      (unuse-package 'temp) =>  T
      (find-symbol "SHOES") =>  NIL, NIL

Side Effects::

The use list of package is modified.

Affected By::

Current state of the package system.

See Also::

use-package , package-use-list