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Let's Play SmalltalkJenga - Smalltalk Day Japan 2019

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https://gist.github.com/KazunoriUeda/fe906bca77b55033ff39edd74f84c276

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Let's Play SmalltalkJenga - Smalltalk Day Japan 2019

  1. 1. Let's Play SmalltalkJenga! Kazunori UEDA SORABITO Inc.
  2. 2. One day, I was coding a program.
  3. 3. Well, the implementation is almost complete!
  4. 4. I have to fix some indents before save...
  5. 5. (Tab)
  6. 6. I VOWED
  7. 7. I VOWED TO DESTROY
  8. 8. I VOWED TO DESTROY THIS SMALLTALK ENVIRONMENT!
  9. 9. Putting that aside,
  10. 10. Smalltalk Environment •Very Dynamic System
  11. 11. Smalltalk Environment •Very Dynamic System •Composed of Many Classes
  12. 12. Smalltalk Environment •Very Dynamic System •Composed of Many Classes How many classes do the system need to keep itself running?
  13. 13. Let's Confirm!
  14. 14. Classes Classes Classes
  15. 15. Classes Classes MeClasses
  16. 16. SmalltalkJenga •Delete classes 1 by 1 from the Smalltalk system
  17. 17. SmalltalkJenga •Delete classes 1 by 1 from the Smalltalk system •Candidates are selected at random(10 / turn)
  18. 18. SmalltalkJenga •Delete classes 1 by 1 from the Smalltalk system •Candidates are selected at random(10 / turn) •End if the system was crashed
  19. 19. SmalltalkJenga •Delete classes 1 by 1 from the Smalltalk system •Candidates are selected at random(10 / turn) •End if the system was crashed •Simple Game!
  20. 20. SmalltalkJenga •Delete classes 1 by 1 from the Smalltalk system •Candidates are selected at random(10 / turn) •End if the system was crashed •Simple Game! Don't Try This at a Production Environment.
  21. 21. SmalltalkJenga •Delete classes 1 by 1 from the Smalltalk system •Candidates are selected at random(10 / turn) •End if the system was crashed •Simple Game! Don't Try This at a Production Environment. Let's Play & Have Fun!
  22. 22. https://gist.github.com/KazunoriUeda/fe906bca77b55033ff39edd74f84c276

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