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20250401 関数型DDD 9

Avatar for saka saka
December 24, 2025
14
0

20250401 関数型DDD 9

Avatar for saka

saka

December 24, 2025

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Transcript

  1. ؔ਺ܕDDD

  2. લճ

  3. ࣮૷ͨ͠

  4. None
  5. None

  6. ଓ͖

  7. ϓϩμΫτίʔυʹม׵ ͢Δؔ਺

  8. γάωνϟ

  9. ܕ

  10. ܕ͕߹Θͳ͍

  11. ؔ਺Ξμϓλʔ

  12. None

  13. let predicateToPassthru errorMsg f x = if f x then

    x else failwith errorMsg
  14. None

  15. ͜ΕΛ࢖༻͢Δͱ

  16. None

  17. ͜Μͳײ͡Ͱ

  18. None

  19. ׬੒

  20. ଞͷpriceOrderʢ஫จ֬ఆʣ ͳͲ΋࡞ͬͯ͘

  21. ߹੒

  22. let placeOrder : PlaceOrderWorkflow = fun unvalidatedOrder -> unvalidatedOrder |>

    validateOrder |> priceOrder |> acknowledgeOrder |> createEvents

  23. ೖྗͱग़ྗ͕߹Θͳ͍ͷͰ߹੒Ͱ͖ͳ͍ validatedOrder

  24. placeOrderͷೖྗ2ͭ Validateͷग़ྗͱܨ͛ͳ͍

  25. ෦෼ద༻Ͱ૊ΈࠐΜͰ͔ Βܨ͛Δ

  26. None
  27. None