unuse-package (ANSI and GNU Common Lisp Document)

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#### 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