text: //  base.h
  //
  //
  //  Created by JohnnyB0Y on 2021/05/11.
  //  Copyright © 2021 JohnnyB0Y. All rights reserved.
  
  #include <stdbool.h>
  
  #ifndef BASE_H
  #define BASE_H
  
  typedef void * id;
  
  typedef void (*iteration_func)(id item, int idx);
  
  typedef bool (*compare_func)(id val1, id val2);
  
  #endif
  