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Allegro CL version 9.0
Unrevised from 8.2 to 9.0.
8.2 version

until

Arguments: condition &rest forms

Evaluates forms repeatedly until condition (which should be a Lisp form) evaluates to a true value.

The definition of until is

(defmacro until (condition &rest forms)
  `(loop (when ,condition (return)) ,@forms))

Note that loop surrounds its body with a block named nil (as used by the return form which is the consequent of the when form). This macro returns nil.

See also while.


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Documentation for Allegro CL version 9.0. This page was not revised from the 8.2 page.
Created 2012.5.30.

ToCDocOverviewCGDocRelNotesFAQIndexPermutedIndex
Allegro CL version 9.0
Unrevised from 8.2 to 9.0.
8.2 version