/src/lib/backtracking/node/backtracking_node_globals.e

 1-- This file is part of a Liberty Eiffel library.
 2-- See the full copyright at the end.
 3--
 4deferred class BACKTRACKING_NODE_GLOBALS
 5   --
 6   -- common invariant nodes
 7   --
 8
 9insert
10   ANY
11      undefine
12         fill_tagged_out_memory
13      end
14
15feature {ANY} -- and/or basics
16   the_cut_node: BACKTRACKING_NODE_CUT
17      once
18         create Result
19      end
20
21   the_true_node: BACKTRACKING_NODE_TRUE
22      once
23         create Result
24      end
25
26   the_false_node: BACKTRACKING_NODE_FALSE
27      once
28         create Result
29      end
30
31   the_cut_and_false_node: BACKTRACKING_NODE_CUT_AND_FALSE
32      once
33         create Result
34      end
35
36end -- class BACKTRACKING_NODE_GLOBALS
37--
38-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
39--
40-- Permission is hereby granted, free of charge, to any person obtaining a copy
41-- of this software and associated documentation files (the "Software"), to deal
42-- in the Software without restriction, including without limitation the rights
43-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
44-- copies of the Software, and to permit persons to whom the Software is
45-- furnished to do so, subject to the following conditions:
46--
47-- The above copyright notice and this permission notice shall be included in
48-- all copies or substantial portions of the Software.
49--
50-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
51-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
52-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
53-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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56-- THE SOFTWARE.