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20250311 関数型DDD 7

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December 24, 2025
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20250311 関数型DDD 7

Avatar for saka

saka

December 24, 2025

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Transcript

  1. ؔ਺ܕDDD

  2. લճ

  3. ؔ਺

  4. ೖྗɺग़ྗ

  5. ΧϦʔԽɺ෦෼ద༻

  6. None

  7. શҬؔ਺

  8. None

  9. ؔ਺߹੒

  10. ͲΜͲΜ߹੒

  11. ߹੒࣌ܕ͕ҧ͏ͱ

  12. Resultͱ͔Option

  13. ࠷খެഒ਺ΛͱΔ

  14. ม׵͢Δؔ਺Λ࢖͏

  15. None
  16. None

  17. ߹੒ɿ࣮૷

  18. ࠓ·Ͱͷ஫จͷྫ

  19. let placeOrder unvalidatedOrder = unvalidatedOrder |> validateOrder |> priceOrder |>

    acknowledgeOrder |> createEvents

  20. ߹੒ • ύΠϓϥΠϯͳ͍ͷ֤εςοϓ • εςʔτϨεͰ෭࡞༻ͳ͠ͷؔ਺ͱ࣮ͯ͠૷ • ಠཱͯ͠ςετ΍ಈ࡞Մೳ • ஫ҙ఺ •

    ґଘؔ܎͕͋Δʢ௥Ճύϥϝʔλʣؔ਺ • Resultͱ͔Optionͱ͔AsyncͳͲͰܕ͕߹Θͳ͍

  21. ґଘؔ܎Λ͜ͷষͷޙ൒ʁͰݟ͍ͯ͘ ʢͪΐͬͱઌʹͳΔʣ Asyncͱ͔͸΋ͬͱޙ

  22. ୯७ܕ

  23. createͱvalueؔ਺ ResultΛলͨ͘ΊҰ୴throw error

  24. None