facts-db/cl-facts/doc/with.lisp

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• Hash : d0286b85
  Author : Thomas de Grivel
  Date : 2022-11-18T18:33:51
  

  facts-db/cl-facts in-memory graph database

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• doc/with.lisp

• ;; cl-facts
  ;; Copyright 2011-2022 Thomas de Grivel <thodg@kmx.io>
  ;;
  ;; Permission is hereby granted to use this software granted
  ;; the above copyright notice and this permission paragraph
  ;; are included in all copies and substantial portions of this
  ;; software.
  ;;
  ;; THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
  ;; PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
  ;; AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
  ;; THIS SOFTWARE.
  
  (defun movies-from-director (movie)
    (let ((other-movies))
      (facts:with ((?director :directed movie
                              :directed ?other-movie))
        (push ?other-movie other-movies))
      other-movies))
  

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