kc3-lang/kc3/libkc3/fact.h

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• Hash : 83f088cb
  Author : Thomas de Grivel
  Date : 2024-08-16T23:55:27
  

  Facts.with_tags(Facts.env_facts(), ?, ?, ?, fn (fact) { puts(fact) })

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• libkc3/fact.h

• /* kc3
   * Copyright 2022,2023,2024 kmx.io <contact@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.
   */
  #ifndef LIBKC3_FACT_H
  #define LIBKC3_FACT_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions */
  #define    fact_clean(fact) do {} while(0)
  s_fact *   fact_init (s_fact *fact, const s_tag *subject,
                        const s_tag *predicate, const s_tag *object);
  s_fact *   fact_init_cast (s_fact *fact, const s_sym * const *type,
                             const s_tag *tag);
  s_fact *   fact_init_copy (s_fact *fact, const s_fact *src);
  s_fact_w * fact_w_init (s_fact_w *fact);
  s_fact_w * fact_w_init_fact (s_fact_w *fact, const s_fact *src);
  void       fact_w_clean (s_fact_w *fact);
  
  /* Observers */
  uw *     fact_hash_uw (const s_fact *fact, uw *dest);
  void     fact_r (const s_fact_w *fact, s_fact *dest);
  
  /* Operators */
  s_fact_w * fact_w_eval (const s_fact_w *fact, s_fact_w *dest);
  
  #endif /* LIBKC3_FACT_H */
  

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