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  1. require 'fiddle'
  2.  
  3. def with_ephemeral_inclusion obj
  4.   fp  = Fiddle::Pointer.new obj.__id__ * 2
  5.   sol = Fiddle::SIZEOF_LONG
  6.  
  7.   orig = fp[sol * 2, 4]
  8.   obj.instance_eval &proc
  9.   fp[sol * 2, 4] = orig
  10. end
  11.  
  12. A = Module.new
  13. B = Module.new
  14.  
  15. with_ephemeral_inclusion Object do
  16.   include A
  17.   include B
  18.   p ancestors
  19. end
  20.  
  21. p Object.ancestors
Success #stdin #stdout 0.05s 9824KB
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Standard input is empty
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[Object, B, A, Kernel, BasicObject]
[Object, Kernel, BasicObject]
https://ideone.com/qvD2LB
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
public

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