/src/lib/backtracking/node/backtracking_node_unary.e

http://github.com/tybor/Liberty · Specman e · 55 lines · 22 code · 6 blank · 27 comment · 0 complexity · 6c96cd57c8bb28f051074a23a3f85ea4 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 BACKTRACKING_NODE_UNARY
  5. --
  6. -- node that reference one subnode
  7. --
  8. inherit
  9. BACKTRACKING_NODE
  10. undefine
  11. fill_tagged_out_memory
  12. end
  13. insert
  14. BACKTRACKING_NODE_FILL
  15. feature {ANY}
  16. node: BACKTRACKING_NODE
  17. -- the node
  18. make, set_node (value: BACKTRACKING_NODE)
  19. require
  20. value_not_void: value /= Void
  21. do
  22. node := value
  23. ensure
  24. definition: node = value
  25. node_not_void: node /= Void
  26. end
  27. invariant
  28. node_not_void: node /= Void
  29. end -- class BACKTRACKING_NODE_UNARY
  30. --
  31. -- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
  32. --
  33. -- Permission is hereby granted, free of charge, to any person obtaining a copy
  34. -- of this software and associated documentation files (the "Software"), to deal
  35. -- in the Software without restriction, including without limitation the rights
  36. -- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  37. -- copies of the Software, and to permit persons to whom the Software is
  38. -- furnished to do so, subject to the following conditions:
  39. --
  40. -- The above copyright notice and this permission notice shall be included in
  41. -- all copies or substantial portions of the Software.
  42. --
  43. -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  44. -- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  45. -- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  46. -- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  47. -- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  48. -- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  49. -- THE SOFTWARE.