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EuRuKo 2024 — How Ruby Forged Crystal

Avatar for Rafael Peña-Azar Rafael Peña-Azar
September 13, 2024
Programming
73
0

EuRuKo 2024 — How Ruby Forged Crystal

Slides for HRFC talk at EuRuKo 2024 in Sarajevo, Bosnia i Herzegovina.

Avatar for Rafael Peña-Azar

Rafael Peña-Azar

September 13, 2024

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Transcript

  1. How Ruby forged Crystal Rafael Peña-Azar · EuRuKo · 13

    September 2024

  2. Who’s RPA? @rpaweb

  3. Who’s RPA? ❏ Colombian ❏ Programmer ❏ Public speaker ❏

    Technical writer ❏ Aspiring entrepreneur ❏ Ruby/Rails evangelizer ❏ Founder of RubySantaMarta ❏ Crystal enthusiast @rpaweb

  4. Crystal?

  5. I’m not here to tell you to stop programming in

    Ruby.

  6. 2011 The beginnings 2013 Become self-hosting 2014 First official release

    2016 TIOBE & First stable release 2024 Growing popularity & v1.13.2 2021 v1.0.0

  7. GENERAL-PURPOSE HIGH-LEVEL OOP STATIC TYPE-CHECKING COMPILED

  8. None
  9. None
  10. None

  11. Crystal has grown in popularity and has an active community.

  12. None

  13. INFLUENCE

  14. None
  15. None

  16. Crystal’s static type–checking

  17. Crystal’s static type-checking ❏ Type Inference ❏ Optional Type Annotations

    ❏ Nil Safety ❏ Union Types ❏ Error Messages and Feedback

  18. Crystal’s static type-checking ❏ Type Inference ❏ Optional Type Annotations

    ❏ Nil Safety ❏ Union Types ❏ Error Messages and Feedback
  19. None

  20. Crystal’s static type-checking ❏ Type Inference ❏ Optional Type Annotations

    ❏ Nil Safety ❏ Union Types ❏ Error Messages and Feedback
  21. None

  22. Crystal’s static type-checking ❏ Type Inference ❏ Optional Type Annotations

    ❏ Nil Safety ❏ Union Types ❏ Error Messages and Feedback
  23. None

  24. Crystal’s static type-checking ❏ Type Inference ❏ Optional Type Annotations

    ❏ Nil Safety ❏ Union Types ❏ Error Messages and Feedback
  25. None

  26. Crystal’s static type-checking ❏ Type Inference ❏ Optional Type Annotations

    ❏ Nil Safety ❏ Union Types ❏ Error Messages and Feedback

  27. DIVERGENCE

  28. NATIVE COMPILATION CONCURRENCY MECHANISMS

  29. Fibers

  30. None

  31. Macros

  32. None

  33. Web Servers

  34. None

  35. FUTURE

  36. Crystal !

  37. How Ruby forged Crystal Rafael Peña-Azar · EuRuKo · 13

    September 2024