Modul "state"
Jan Burse, erstellt 17. Aug 2019
/**
* This module provides trailed named values.
*
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* To the extent permitted by applicable law and unless explicitly
* otherwise agreed upon, XLOG Technologies GmbH makes no warranties
* regarding the provided information. XLOG Technologies GmbH assumes
* no liability that any problems might be solved with the information
* provided by XLOG Technologies GmbH.
*
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*
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* of the information is only allowed for non-commercial uses. Selling,
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* The library can be distributed as part of your applications and libraries
* for execution provided this comment remains unchanged.
*
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* Only to be distributed with programs that add significant and primary
* functionality to the library. Not to be distributed with additional
* software intended to replace any components of the library.
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*/
/**************************************************************/
/* Trailed Shared */
/**************************************************************/
* b_setval(K, W):
* The predicate assigns the value W to the key K.
* The assignment is automatically undone upon backtracking.
*/
% b_setval(+Term, +Term)
* nb_current(K, W):
* The predicate succeeds for the value W of the key K.
*/
% nb_current(-Term, -Term)
* b_delete(K):
* The predicate de-assigns the key K.
* The de-assignment is automatically undone upon backtracking.
*/
% b_delete(+Term)
throw(error
(instantiation_error
, _)).
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