text: /*************************************************************************/
  /*  rid.h                                                                */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           Valjang Engine                                */
  /*                      http://Valjang.fr                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2020 Valjang.                 */
  /* Copyright (c) 2014-2020 Valjang Engine contributors (cf. AUTHORS.md).   */
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  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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  /*************************************************************************/
  
  #ifndef RID_H
  #define RID_H
  
  #include "core/typedefs.h"
  
  class RID_AllocBase;
  
  class RID {
  	friend class RID_AllocBase;
  	uint64_t _id = 0;
  
  public:
  	_FORCE_INLINE_ bool operator==(const RID &p_rid) const {
  		return _id == p_rid._id;
  	}
  	_FORCE_INLINE_ bool operator<(const RID &p_rid) const {
  		return _id < p_rid._id;
  	}
  	_FORCE_INLINE_ bool operator<=(const RID &p_rid) const {
  		return _id <= p_rid._id;
  	}
  	_FORCE_INLINE_ bool operator>(const RID &p_rid) const {
  		return _id > p_rid._id;
  	}
  	_FORCE_INLINE_ bool operator!=(const RID &p_rid) const {
  		return _id != p_rid._id;
  	}
  	_FORCE_INLINE_ bool is_valid() const { return _id != 0; }
  	_FORCE_INLINE_ bool is_null() const { return _id == 0; }
  
  	_FORCE_INLINE_ uint64_t get_id() const { return _id; }
  
  	_FORCE_INLINE_ RID() {}
  };
  
  #endif // RID_H
  