Upgrade to Pro — share decks privately, control downloads, hide ads and more …

具体例から学ぶ、循環参照の怖さとその対策

Avatar for sosuiiii sosuiiii
October 19, 2023
Technology
0
30

 具体例から学ぶ、循環参照の怖さとその対策

ご指摘あればお願いします。
Avatar for sosuiiii

sosuiiii

October 19, 2023
Tweet

More Decks by sosuiiii

See All by sosuiiii
AmebaにおけるQAコスト改善施策〜テスト項目の整理とAutify for Mobileによる自動化
Avatar for sosuiiii sosuiiii
0
430

Other Decks in Technology

See All in Technology
React開発にStorybookとCopilotを導入して、爆速でUIを編集・確認する方法
Avatar for yut yu_kod
1
120
Geminiとv0による高速プロトタイピング
Avatar for Shinya Masadome（東京AI祭） shinya337
0
220
PHPでWebブラウザのレンダリングエンジンを実装する
Avatar for ディップ株式会社 dip_tech
PRO
0
220
Connect 100+を支える技術
Avatar for Yamakan kanyamaguc
0
170
asken AI勉強会(Android)
Avatar for 佐藤忠 tadashi_sato
0
160
GitHub Copilot の概要
Avatar for tomokusaba tomokusaba
1
150
Zephyr RTOSを使った開発コンペに参加した件
Avatar for misoji engineer iotengineer22
1
180
KubeCon + CloudNativeCon Japan 2025 に行ってきた！ & containerd の新機能紹介
Avatar for Honahuku honahuku
0
120
作曲家がボカロを使うようにPdMはAIを使え
Avatar for Takuya Ito itotaxi
0
410
マネジメントって難しい、けどおもしろい / Management is tough, but fun! #em_findy
Avatar for ar_tama ar_tama
2
340
Node-RED × MCP 勉強会 vol.1
Avatar for 1ft-seabass 1ftseabass
PRO
0
180
KubeCon + CloudNativeCon Japan 2025 Recap Opening & Choose Your Own Adventureシリーズまとめ
Avatar for mm-matsuda mmmatsuda
0
250

Featured

See All Featured
[RailsConf 2023] Rails as a piece of cake
Avatar for Vladimir Dementyev palkan
55
5.6k
Building Applications with DynamoDB
Avatar for Matt Wood mza
95
6.5k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
Avatar for Stéphanie Walter stephaniewalter
281
13k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
Avatar for Tammy Everts tammyeverts
53
2.8k
Unsuck your backbone
Avatar for Amy Palamountain ammeep
671
58k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Avatar for Morgane Peng morganepeng
130
19k
ReactJS: Keep Simple. Everything can be a component!
Avatar for Pedro Nauck pedronauck
667
120k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
329
21k
Side Projects
Avatar for Sacha Greif sachag
455
42k
Music & Morning Musume
Avatar for Bryan Veloso bryan
46
6.6k
Save Time (by Creating Custom Rails Generators)
Avatar for Garrett Dimon garrettdimon
PRO
31
1.3k
Statistics for Hackers
Avatar for Jake VanderPlas jakevdp
799
220k

Transcript

  1.  ໦ ۩ମతͳ൵͔ܶΒֶͿɺ ॥؀ࢀরͷා͞ͱͦͷରࡦ

  2.  ໦ ࣗݾ঺հ ໊લɿాதᰜࢤ ೖࣾɿ৽ଔͰ$"ೖࣾ ෦ॺɿλοϓϧ 
 ɹɹɿ4PTTVJ@4XJGU

  3.  ໦ ໨࣍ ֓ཁ ۩ମྫ ϝϞϦʹ͍ͭͯ Ϋϩʔδϟͷੑ࣭ͱαϯϓϧίʔυ σόοά ରࡦ

  4. ֓ཁ "3$ͷొ৔ʹΑͬͯɺΤϯδχΞ͕ϝϞϦΛҙࣝ͢Δ͜ͱ͸ͳ͘ͳͬͨɻ ͨͩɺ ೔ࠒ͔Β<XFBLTFMG>Λ࢖͍ͬͯΔΑ͏ʹ શ͕ͯ"3$ʹΑͬͯ୲อ͞Ε͍ͯΔΘ͚Ͱ͸ͳ͍ɻ ॥؀ࢀরʹΑͬͯͲΜͳ൵͕ܶى͜ΓಘΔͷ͔ɺ Ͳ͏ͯ͠ى͍ͬͯ͜Δͷ͔ ϝϞϦ΍Ϋϩʔδϟͷੑ࣭ʹ৮Εͳ͕ΒɺཧղΛਂΊ͍͖ͯ·͠ΐ͏ʂ

  5.  ໦ ໨࣍ ֓ཁ ۩ମྫ👈 ϝϞϦʹ͍ͭͯ Ϋϩʔδϟͷੑ࣭ͱαϯϓϧίʔυ σόοά ରࡦ

  6. ۩ମྫ λοϓϧͰ͸ɺϢʔβʔͷϓϩϑΟʔϧཝʹσʔτϓϥϯͷΧʔυ͕͋Δ

  7. ۩ମྫ λοϓϧͰ͸ɺϢʔβʔͷϓϩϑΟʔϧཝʹσʔτϓϥϯͷΧʔυ͕͋Δ ͔͜͜Β͍͍͔΋Λ͢Δͱɺ Ͳͷσʔτϓϥϯ͔Β͍͍͔΋͔͕ͨ͠෼͔Δ

  8. ۩ମྫ ॥؀ࢀরΛىͨ͜͜͠ͱͰ ͔͜͜Β͍͍͔΋Λ͢Δͱɺ Ͳͷσʔτϓϥϯ͔Β͍͍͔΋͔͕ͨ͠෼͔Δ

  9. ۩ମྫ ॥؀ࢀরΛىͨ͜͜͠ͱͰɻɻ શͯͷΧʔυ͕ 
 ͍͍͔΋͞Εͯ͠·͏ ˞ϦϦʔεલʹൃݟɾमਖ਼͍ͯ͠Δ

  10. ۩ମྫ ΧϧʔηϧͰදࣔ͞ΕͨɺϢʔβʔҰཡʹͯɻɻ Ϣʔβʔ"ͷৄࡉΛ։͍ͯ ໭Δ Ϣʔβʔ#Λ͍͍͔΋

  11. ۩ମྫ ΧϧʔηϧͰදࣔ͞ΕͨɺϢʔβʔҰཡʹͯɻɻ Ϣʔβʔ"ͷৄࡉΛ։͍ͯ ໭Δ Ϣʔβʔ#Λ͍͍͔΋ Ϣʔβʔ"ɺ#ʹ͍͍͔΋͕ૹΒΕͯ͠·͏ ˞ϦϦʔεલʹൃݟɾमਖ਼͍ͯ͠Δ

  12. Ͳ͏ͯ͠॥؀ࢀরͨ͠ͷ͔ 'PSNBUUFSʹΑΔࣗಈϑΥʔϚοτºώϡʔϚϯΤϥʔ PXOFSΛࢀর͍ͯ͠ΔίʔυΛফ͢ͱɺ 'PSNBUUFSʹΑͬͯఆ͕ٛʮ@ʯʹলུ͞ΕΔ

  13. Ͳ͏ͯ͠॥؀ࢀরͨ͠ͷ͔ 'PSNBUUFSʹΑΔࣗಈϑΥʔϚοτºώϡʔϚϯΤϥʔ ෆҙʹPXOFS͕লུ͞Εͨͱ͜Ζʹɺ ӈͷࣸਅͷΑ͏ͳTIPXϝιουΛ࠶ར༻͢Δ ॥؀ࢀর͢Δ

  14. ॥؀ࢀরͷڪ͞ ΋͠લʹݴͬͨΑ͏ͳόά͕ϦϦʔε͞Ε͍ͯͨΒɻɻ ᶃϢʔβʔͷࠞཚɻ͓໰͍߹Θͤ૿Ճ ᶄ"1*௨৴͕Oഒʹɻαʔόෛՙͷ૿Ճ ᶅᶄͷ૿ՃʹΑΔΠϯϑϥίετͷ૿Ճ

  15.  ໦ ໨࣍ ֓ཁ ۩ମྫ ϝϞϦʹ͍ͭͯ👈 Ϋϩʔδϟͷੑ࣭ͱαϯϓϧίʔυ σόοά ରࡦ

  16. ϝϞϦʹ͍ͭͯ ઌ΄Ͳͷڍಈ͸ɺ ॥؀ࢀরʹΑͬͯϝϞϦͷղ์͕ग़དྷͳ͘ͳΔ͜ͱ͕ݪҼ ϝϞϦͷղ์ɻɻʁ ΋͏ͪΐͬͱϝϞϦʹ͍ͭͯਂ΅͓͖͍ͬͯͨ

  17. ϝϞϦʹ͍ͭͯ ϝϞϦʹ͸ɺ໾ׂʹԠͯͭ͡ͷछྨ͕͋Δ ɾϓϩάϥϜྖҬɿ3&"%ͷΈɻؔ਺΍ఆ਺ ɾελοΫྖҬɿϩʔΧϧม਺ ɾ੩తྖҬɿTUBUJD΍άϩʔόϧม਺ ɾώʔϓྖҬ ಈతϝϞϦ ɿNBMMPDGSFFͰಈతʹ֬อ͢Δ˞$ݴޠ 
 ϝϞϦͷ֬อͷ࢓ํ͸ɺͦΕͧΕҟͳΔ

  18. ελοΫྖҬ ઌೖޙग़͠ํࣜͷ؅ཧɻϝιου಺ͷϩʔΧϧม਺ͳͲׂ͕Γ౰ͯΒΕΔ ྫ͑͹ϝιου"ͷதͰϝιου#ΛݺͿ࣌ɺ 
 ϝιου#͕ऴ͔ྃͯ͠Βϝιου"͕ऴྃ͢Δɻ ϝϞϦ্Ͱ΋ಉ͡Α͏ͳ͜ͱ͕ى͖͍ͯΔɻ GVODQBSFOU \ WBSQBSFOU DIJME

     ^ GVODDIJME \ WBSDIJME ^

  19. ελοΫྖҬ GVODQBSFOU \ WBSQBSFOU DIJME  ^ GVODDIJME \ WBSDIJME

    ^ ᶃ ᶄ ᶅ ᶆ ᶃ QBSFOU Λݺͼग़͠ɺϩʔΧϧม਺ͷQBSFOUׂ͕Γ౰ͯΒΕΔ ᶄ QBSFOU ͷதͷDIJME Λݺͼग़͠ɺDIJMEׂ͕Γ౰ͯΒΕΔ ᶅ DIJME ͷॲཧ͕ऴΘΓɺDIJMEͷϝϞϦ͕ղ์͞ΕΔ ᶆ QBSFOU ͷॲཧ͕ऴΘΓɺQBSFOUͷϝϞϦ͕ղ์͞ΕΔ

  20. ੩తྖҬ ϓϩάϥϜ͕࣮ߦ͞ΕΔͱɺऴྃ͢Δ·Ͱอ࣋͞Εଓ͚ΔྖҬ ˠΞϓϦͷϥϯλΠϜத͸อ࣋͞ΕΔ อ࣋͞Εଓ͚Δੑ࣭ʹΑͬͯɺ4XJGUͰ͸ γϯάϧτϯͱͯ͠TIBSFE ڞ༗ ͰσʔλΛڞ༗͢Δ࢖ΘΕํ ϝϞϦͷ֬อͱղ์͸౓ͳͷͰɺ͜ͷྖҬͰͷ॥؀ࢀর͸ى͜͞ͳ͍ʁ

  21. ಈతྖҬ ੩తྖҬͱҧ͍ɺ ΞϓϦͷϥϯλΠϜதʹϝϞϦͷ֬อͱղ์Λ܁Γฦ͢ $ݴޠͰ͸ɺNBMMPDؔ਺͕ϝϞϦ֬อɺGSFFؔ਺͕ϝϞϦͷղ์Λ୲͍·͢ɻ 4XJGUʹ͓͍ͯ͸"3$͕ϝϞϦͷ֬อͱղ์Λ؅ཧ͓ͯ͠Γɺ ։ൃऀ͕ҙࣝ͢Δ͜ͱ͸͋Γ·ͤΜɻ

  22. ಈతྖҬ ͭ·Γɻɻʁ ಈతʹϝϞϦΛ֬อɾղ์͢ΔػߏͰ໰୊͕ى͖Δ ॥؀ࢀরʹΑͬͯ"3$ʹΑΔղ์࿙ΕΛى͜͠ɺ ϝϞϦ͕ੵΈ্͕͍ͬͯ͘ ˞"3$ͷઆ໌͸ׂѪ ॥؀ࢀরΛى͜͞ͳ͍ͨΊʹɺΫϩʔδϟͷੑ࣭Λ֬ೝ͠Α͏

  23.  ໦ ໨࣍ ֓ཁ ۩ମྫ ϝϞϦʹ͍ͭͯ Ϋϩʔδϟͷੑ࣭ͱαϯϓϧίʔυ👈 σόοά ରࡦ

  24. Ϋϩʔδϟͷੑ࣭ͱαϯϓϧίʔυ ॥؀ࢀর͸ɺڧࢀর͕॥؀͢Δ͜ͱͰى͖Δɻ ˠࢀরܕಉ࢜Ͱى͜ΓಘΔ໰୊ɻ 4XJGUͰ͸ɺΫϩʔδϟ΍Ϋϥε͕͜Εʹ֘౰͠ɺ ߏ଄ମ TUSVDU ͕஋ܕʹͳΔɻ ˠσϦήʔτ Ϋϥεؒ ΍ΫϩʔδϟºΫϥεؒʹ஫ҙ⚠

  25. αϯϓϧίʔυᶃ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ

  26. αϯϓϧίʔυᶃ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ ॥؀ࢀর͠ͳ͍

  27. αϯϓϧίʔυᶄ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ

  28. αϯϓϧίʔυᶄ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ ॥؀ࢀর͠ͳ͍ ਌ͷΫϩʔδϟ͕Ωϟϓνϟͨ͠ ऑࢀরͷTFMGΛҾ͖ܧ͍Ͱ͍Δ

  29. αϯϓϧίʔυᶄ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ ॥؀ࢀর͠ͳ͍ ࢠͷΫϩʔδϟ͸ɺΦϓγϣφϧͷTFMGΛࢀর͍ͯ͠Δ 
 ˠ਌ͷΫϩʔδϟ͕Ωϟϓνϟͨ͠ ऑࢀরͷTFMGΛҾ͖ܧ͍Ͱ͍Δ

  30. αϯϓϧίʔυᶅ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ

  31. αϯϓϧίʔυᶅ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ ॥؀ࢀর͠ͳ͍ ࢠͷΫϩʔδϟ͸ɺ ਌ͷΫϩʔδϟ͕Ωϟϓνϟͨ͠ ڧࢀরͷTFMGΛҾ͖ܧ͍Ͱ͍ͨ

  32. αϯϓϧίʔυᶆ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ

  33. αϯϓϧίʔυᶆ Ϋϩʔδϟ⁵Ϋϥεؒͷ॥؀ࢀর ݺͼग़͠ଆͷςϯϓϨ ॥؀ࢀর͠ͳ͍ ੩తϝϞϦºಈతϝϞϦͰ΋॥؀ࢀর͸ى͜ΓಘΔ

  34. αϯϓϧίʔυᶇ Ϋϥε⁵Ϋϥεͷ॥؀ࢀর <XFBLTFMG>Ͱ͸ͳ͘ɺ<XFBLWJFX$POUSPMMFS>ͱͯ͠Ҿ਺Λऑࢀর͢Δ

  35.  ໦ ໨࣍ ֓ཁ ۩ମྫ ϝϞϦʹ͍ͭͯ Ϋϩʔδϟͷੑ࣭ͱαϯϓϧίʔυ σόοά👈 ରࡦ

  36. σόοά ͜Μͳ࣌͸॥؀ࢀরΛٙ͏ ᶃૢ࡞Λଓ͚͍ͯΔͱ୺຤͕೤͘ͳΔɺॏ͘ͳΔ ᶄϢʔβʔͷૢ࡞Ͱ͸ෆՄೳͳִؒͰϩά͕ൃՐ͍ͯ͠Δ ɹଟॏʹॲཧ͕࣮ߦ͞Ε͍ͯΔ σόοάखஈ ᶃ໨ࢹ ᶄ9DPEFͷσόοάػೳ

  37. ϝϞϦάϥϑ 9DPEFͷσόοάػೳͷͭʹɺʮϝϞϦάϥϑʯ͕͋Δ ϝϞϦΛ֬อ͍ͯ͠ΔΠϯελϯε͕ӾཡՄೳ ϝϞϦάϥϑ

  38. ϝϞϦάϥϑ 9DPEFͷσόοάػೳͷͭʹɺʮϝϞϦάϥϑʯ͕͋Δ ϝϞϦΛ֬อ͍ͯ͠ΔΠϯελϯε͕ӾཡՄೳ Πϯελϯεͷ਺ ʓʓ7JFX$POUSPMMFS ʓʓ7JXF.PEFM ෦෼Ұகݕࡧ͕Մೳ

  39.  ໦ ໨࣍ ֓ཁ ۩ମྫ ϝϞϦʹ͍ͭͯ Ϋϩʔδϟͷੑ࣭ͱαϯϓϧίʔυ σόοά ରࡦ👈

  40. ରࡦ ᶃςετίʔυ ᶄΫϩʔδϟͷੑ࣭ཧղ ᶅةػҙࣝ ɾϝϞϦϦʔΫͷҝʹɺςετίʔυΛॻ͘ͷ΋ίετ͕ߴ͍ ɾ਌ΫϩʔδϟͰTFMGΛऑࢀর͍ͯ͠Δ͔ ɾ<XFBLTFMG>͸ɺTFMGҎ֎ͷ໋໊ͰΞϯϥοϓ͢Δ

  41. TFMGҎ֎ͷ໋໊ͰΞϯϥοϓ͢Δ 'PSNBUUFSʹΑΔࣗಈϑΥʔϚοτºώϡʔϚϯΤϥʔ ෆҙʹPXOFS͕লུ͞Εͨͱ͜Ζʹɺ ӈͷࣸਅͷΑ͏ͳTIPXϝιουΛ࠶ར༻͢Δ ॥؀ࢀর͢Δ TFMGͰ͸ͳ͘PXOFSͱ͔Ͱ͋Ε͹ɺ ࠶ར༻࣌ʹίϯύΠϧΤϥʔʹͳΔ