/src/lib/abilities/visitable.e

http://github.com/tybor/Liberty · Specman e · 37 lines · 8 code · 2 blank · 27 comment · 0 complexity · eb09ded9a88b4d7d88a9e4f3ce4004e3 MD5 · raw file

  1. -- This file is part of a Liberty Eiffel library.
  2. -- See the full copyright at the end.
  3. --
  4. deferred class VISITABLE
  5. --
  6. -- An object that can be visited by a VISITOR.
  7. --
  8. feature {ANY}
  9. accept (visitor: VISITOR)
  10. -- Accept to be visited by the `visitor'.
  11. require
  12. visitor /= Void
  13. deferred
  14. end
  15. end -- class VISITABLE
  16. --
  17. -- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
  18. --
  19. -- Permission is hereby granted, free of charge, to any person obtaining a copy
  20. -- of this software and associated documentation files (the "Software"), to deal
  21. -- in the Software without restriction, including without limitation the rights
  22. -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  23. -- copies of the Software, and to permit persons to whom the Software is
  24. -- furnished to do so, subject to the following conditions:
  25. --
  26. -- The above copyright notice and this permission notice shall be included in
  27. -- all copies or substantial portions of the Software.
  28. --
  29. -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  30. -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  31. -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  32. -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  33. -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  34. -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  35. -- THE SOFTWARE.