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/src/lib/storage/internal/abstract_avl_set_node.e

http://github.com/tybor/Liberty
Specman e | 47 lines | 15 code | 3 blank | 29 comment | 0 complexity | f5a0df5b386a732afa1c2fb40ec2dfad MD5 | raw file
 1-- This file is part of a Liberty Eiffel library.
 2-- See the full copyright at the end.
 3--
 4deferred class ABSTRACT_AVL_SET_NODE[E_]
 5   --
 6   -- Auxiliary class to implement AVL_SET.
 7   --
 8   -- This a classic implementation of an AVL tree (balanced tree first
 9   -- designed by Adelson-Velskii and Landis, 1960)
10   --
11
12inherit
13   AVL_TREE_NODE[E_]
14   ANY_AVL_SET_NODE
15
16feature {ABSTRACT_AVL_SET}
17   set (i: like item)
18      do
19         set_balance(balanced)
20         left := Void
21         right := Void
22         set_item(i)
23      ensure
24         item = i
25      end
26
27end -- class ABSTRACT_AVL_SET_NODE
28--
29-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
30--
31-- Permission is hereby granted, free of charge, to any person obtaining a copy
32-- of this software and associated documentation files (the "Software"), to deal
33-- in the Software without restriction, including without limitation the rights
34-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
35-- copies of the Software, and to permit persons to whom the Software is
36-- furnished to do so, subject to the following conditions:
37--
38-- The above copyright notice and this permission notice shall be included in
39-- all copies or substantial portions of the Software.
40--
41-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
42-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
43-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
44-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
45-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
46-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
47-- THE SOFTWARE.