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  1. Object subclass: B [
  2. 	bar [ ^'B >> bar' ]
  3. ]
  4.  
  5. B class extend [
  6. 	foo [ ^'B class >> foo' ]
  7. 	bar [ ^'B class >> bar' ]
  8. ]
  9.  
  10. B subclass: C [
  11. 	bar [ ^'C >> bar' ]
  12. ]
  13.  
  14. C class extend [
  15. 	bar [ ^'C class >> bar' ]
  16. ]
  17.  
  18. C foo displayNl.
  19. "((C class >> #foo) valueWithReceiver: C withArguments: #()) displayNl. => error: key not found "
  20. C bar displayNl.
  21. ((B class >> #bar) valueWithReceiver: C withArguments: #()) displayNl.
  22. "C new foo displayNl. => error: did not understand #foo "
  23. C new bar displayNl.
  24. ((B >> #bar) valueWithReceiver: C new withArguments: #()) displayNl.
Success #stdin #stdout 0.01s 7944KB
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Standard input is empty
stdout
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B class >> foo
C class >> bar
B class >> bar
C >> bar
B >> bar
https://ideone.com/bLXOCn
language:
Smalltalk (gst 3.2.5)
created:
3 years ago
visibility:
secret

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