/tutorial/backtracking/logigram/item.e
Specman e | 57 lines | 30 code | 9 blank | 18 comment | 0 complexity | 41191f3699c05d7b41e484d72f619187 MD5 | raw file
1-- See the Copyright notice at the end of this file. 2-- 3deferred class ITEM 4 5inherit 6 HASHABLE 7 ANY 8 9feature {ANY} 10 group: GROUP 11 12 name: STRING 13 14 index: INTEGER is 15 require 16 not is_off 17 deferred 18 end 19 20 is_like_integer: BOOLEAN is 21 do 22 Result := group.is_like_integer 23 end 24 25 to_integer: INTEGER is 26 require 27 is_like_integer 28 not is_off 29 deferred 30 end 31 32 is_off: BOOLEAN is 33 deferred 34 end 35 36 hash_code: INTEGER is 37 do 38 Result := to_pointer.hash_code 39 end 40 41end -- class ITEM 42-- 43-- ------------------------------------------------------------------------------------------------------------------------------ 44-- Copyright notice below. Please read. 45-- 46-- This file is free software, which comes along with SmartEiffel. This software is distributed in the hope that it will be 47-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 48-- You can modify it as you want, provided this footer is kept unaltered, and a notification of the changes is added. 49-- You are allowed to redistribute it and sell it, alone or as a part of another product. 50-- 51-- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P. - University of Nancy 1 - FRANCE 52-- Copyright(C) 2003-2005: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE 53-- 54-- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN 55-- 56-- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr 57-- ------------------------------------------------------------------------------------------------------------------------------