/tutorial/backtracking/logigram/constraints/constraint_logical.e

http://github.com/tybor/Liberty · Specman e · 29 lines · 8 code · 3 blank · 18 comment · 0 complexity · f3f45d7cfb79b5e58ff8b5726ea6e0e5 MD5 · raw file

  1. -- See the Copyright notice at the end of this file.
  2. --
  3. deferred class CONSTRAINT_LOGICAL
  4. inherit
  5. CONSTRAINT
  6. feature {ANY}
  7. to_boolean: BOOLEAN is
  8. deferred
  9. end
  10. end -- class CONSTRAINT_LOGICAL
  11. --
  12. -- ------------------------------------------------------------------------------------------------------------------------------
  13. -- Copyright notice below. Please read.
  14. --
  15. -- This file is free software, which comes along with SmartEiffel. This software is distributed in the hope that it will be
  16. -- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17. -- You can modify it as you want, provided this footer is kept unaltered, and a notification of the changes is added.
  18. -- You are allowed to redistribute it and sell it, alone or as a part of another product.
  19. --
  20. -- Copyright(C) 1994-2002: INRIA - LORIA (INRIA Lorraine) - ESIAL U.H.P. - University of Nancy 1 - FRANCE
  21. -- Copyright(C) 2003-2005: INRIA - LORIA (INRIA Lorraine) - I.U.T. Charlemagne - University of Nancy 2 - FRANCE
  22. --
  23. -- Authors: Dominique COLNET, Philippe RIBET, Cyril ADRIAN, Vincent CROIZIER, Frederic MERIZEN
  24. --
  25. -- http://SmartEiffel.loria.fr - SmartEiffel@loria.fr
  26. -- ------------------------------------------------------------------------------------------------------------------------------