kc3-lang/kc3/libc3/facts_spec.h

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• Hash : 865d1524
  Author : Thomas de Grivel
  Date : 2022-10-31T00:50:45
  

  c3-lang

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• libc3/facts_spec.h

• /* c3
   * Copyright 2022 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 FACTS_SPEC_H
  #define FACTS_SPEC_H
  
  #include "types.h"
  
  /* facts specification
     ===================
  
     A spec has the following pattern :
      (subject (predicate object)+ NULL)+ NULL
     For instance one fact {s1, p1.1, o1.1} has the spec :
       s1 p1.1 o1.1 NULL NULL
     And four facts of two subjects, each having two properties yield
     this spec :
       s1 p1.1 o1.1 p1.2 o1.2 NULL s2 p2.1 o2.1 p2.2 o2.2 NULL NULL
  */
  
  /* Constructors */
  p_facts_spec facts_spec_new_expand (p_facts_spec spec);
  
  /* Destructor */
  #define facts_spec_delete free
  
  /* Observers */
  uw facts_spec_count_facts (p_facts_spec spec);
  
  /* Modifiers */
  p_facts_spec facts_spec_sort (p_facts_spec spec);
  
  #endif /* FACTS_SPEC_H */
  

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