Modul Helper

Jan Burse, erstellt 29. Jun 2019
/**
* Some helpers for the CLP(FD) library.
*
* Warranty & Liability
* 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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* All industrial property rights regarding the information - copyright
* and patent rights in particular - are the sole property of XLOG
* Technologies GmbH. If the company was not the originator of some
* excerpts, XLOG Technologies GmbH has at least obtained the right to
* reproduce, change and translate the information.
*
* Reproduction is restricted to the whole unaltered document. Reproduction
* of the information is only allowed for non-commercial uses. Selling,
* giving away or letting of the execution of the library is prohibited.
* The library can be distributed as part of your applications and libraries
* for execution provided this comment remains unchanged.
*
* Restrictions
* 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.
*
* Trademarks
* Jekejeke is a registered trademark of XLOG Technologies GmbH.
*/
:- package(library(jekmin/reference/finite)).
:- use_package(library(jekmin/reference/minimal)).
:- module(helper, []).
:- use_module(library(minimal/assume)).
:- use_module(library(experiment/trail)).
:- use_module(library(experiment/attr)).
/**********************************************************/
/* Post Extensions */
/**********************************************************/
/**
* sys_melt_const(S, C):
* Unwrap the variable S and unify it with the constant C.
*/
:- public sys_melt_const/2.
sys_melt_var(S, C).
/**
* sys_melt_join(S, T):
* Unwrap the variables S and T and unify them.
*/
:- public sys_melt_join/2.
sys_melt_var(T, U).
/**
* sys_melt_hook(X, H):
* Unwrap the variable X and give the hook H to it.
*/
:- public sys_melt_hook/2.
% sys_ensure_hook(+Attr, +Closure)
:- private sys_ensure_hook/2.
:- meta_predicate sys_ensure_hook(?, 2).
sys_clause_hook(V, H, _), !.
/**
* sys_fresh_var(X, B):
* Give the variable X a serial number and wrap it into B.
*/
% sys_fresh_var(+Var, -Wrap)

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