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GitHub Copilot を使って自作ライブラリを作ってみよう/ Let's create...
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Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
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Shintani Teppei
August 30, 2023
Programming
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GitHub Copilot を使って自作ライブラリを作ってみよう/ Let's create your own library using GitHub Copilot!
https://timeedev.connpass.com/event/292962/
こちらのイベントでの登壇資料です
Shintani Teppei
August 30, 2023
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Transcript
גࣜձࣾλΠϛʔɹShintani Teppei GitHub Copilot Λͬͯ ࣗ࡞ϥΠϒϥϦΛ࡞ͬͯΈΑ͏ @euglena1215 ʲϋΠϒϦου։࠵ʳGitHub CopilotͰ͘։ൃੜ࢈ੑ
ࣗݾհ ৽୩ ฏʢ@euglena1215ʣ • גࣜձࣾλΠϛʔ • όοΫΤϯυΤϯδχΞ • ͖ͳΧϨʔϧʔδϟϫΧϨʔதਏ Έͳ͞Μͷ͓͢͢ΊΧϨʔϧʔΛʮ#CopilotͰ͘։ൃੜ
࢈ੑʯͰπΠʔτϙετͯ͠ڭ͍͑ͯͩ͘͞
3
ืूਓͷਪҠ 4 ※1ɿ20224Qͱ20214Qͷൺֱ ίϩφՒʹ͓͍ͯɺ աڈʹྫΛݟͳ͍ఔͷ ՃతߴΛ࣮ݱɻ
એ λΠϛʔɺ ·ͩ GitHub Copilot for Business ༨ͬͯ·͢ɻ
એ ۀͰ GitHub Copilot Λ͍͍ͨํ λΠϛʔʂ ·ͣΧδϡΞϧ໘ஊ͔Βʂ ʮλΠϛʔ ΧδϡΞϧ໘ஊʯͰݕࡧ🔍
גࣜձࣾλΠϛʔɹShintani Teppei GitHub Copilot Λͬͯ ࣗ࡞ϥΠϒϥϦΛ࡞ͬͯΈΑ͏ @euglena1215 ʲϋΠϒϦου։࠵ʳGitHub CopilotͰ͘։ൃੜ࢈ੑ
͜Μͳํ͚ͷൃදͰ͢ • GitHub Copilot ࠷ۙΑ͘ฉ͚͘Ͳ݁ہ·ͩͬͨ͜ͱ͕ͳ͍... ◦ → GitHub Copilot ศར͡ΌΜɻͪΐͬͱ৮ͬͯΈΑ͏͔ͳ
• GitHub Copilot Λ͍͜ͳ͍ͯ͠Δํʮ͔ΔʙʯͱπΠʔτ ͠ͳ͕ΒσϞͷԠԉΛ͓ئ͍͠·͢ʂ
࣍ 1. ͳͥࣗ࡞ϥΠϒϥϦͳͷ͔ 2. ࣮ࡍʹ࣮ͯ͠ΈΔ 3. ͬͯΈͯͲ͏ײ͔ͨ͡
࣍ 1. ͳͥࣗ࡞ϥΠϒϥϦͳͷ͔ 2. ࣮ࡍʹ࣮ͯ͠ΈΔ 3. ͬͯΈͯͲ͏ײ͔ͨ͡
1. ͳͥࣗ࡞ϥΠϒϥϦͳͷ͔ ۀΞϓϦέʔγϣϯ • ݻ༗ͷυϝΠϯϩδοΫΛ࣋ͭ • ۀΞϓϦέʔγϣϯͷίʔυؙ͕ʑެ։͞Ε͍ͯΔ͜ͱগͳ͍ ʢ㲈 σʔληοτ͕গͳ͍ʣ •
ݻ༗ͷυϝΠϯϩδοΫ͕গͳ͍ • ༏लͳϥΠϒϥϦ͕Φʔϓϯιʔεͱͯͨ͘͠͞Μެ։͞Ε͍ͯΔ ʢ㲈 σʔληοτ͕ଟ͍ʣ ࣗ࡞ϥΠϒϥϦ
1. ͳͥࣗ࡞ϥΠϒϥϦͳͷ͔ ۀΞϓϦέʔγϣϯ • ݻ༗ͷυϝΠϯϩδοΫΛ࣋ͭ • ۀΞϓϦέʔγϣϯͷίʔυؙ͕ʑެ։͞Ε͍ͯΔ͜ͱগͳ͍ ʢ㲈 σʔληοτ͕গͳ͍ʣ •
ݻ༗ͷυϝΠϯϩδοΫ͕গͳ͍ • ༏लͳϥΠϒϥϦ͕Φʔϓϯιʔεͱͯͨ͘͠͞Μެ։͞Ε͍ͯΔ ʢ㲈 σʔληοτ͕ଟ͍ʣ ࣗ࡞ϥΠϒϥϦ ิɿ • ͋͘·Ͱ૬ରతͳ • ࣗۀΞϓϦέʔγϣϯΛ։ൃ͢Δࡍʹ GitHub Copilot Λ͍ͬͯͯɺੜ࢈ੑͷ্Λײ͍ͯ͡·͢ɻ • ۀΞϓϦέʔγϣϯͷ։ൃʹ͓͍ͯ GitHub Copilot ͕ ༗༻Ͱͳ͍ͱ͍͏Ͱͳ͍͜ͱΛ͝ೝ͍ࣝͩ͘͞ɻ
࣍ 1. ͳͥࣗ࡞ϥΠϒϥϦͳͷ͔ 2. ࣮ࡍʹ࣮ͯ͠ΈΔ 3. ͬͯΈͯͲ͏ײ͔ͨ͡
2. ࣮ࡍʹ࣮ͯ͠ΈΔ σϞΛ౿·͑ͳ͕Βհ͍͖ͯ͠·͢ɻ σϞͰར༻ͨ͠ιʔείʔυɿ https://github.com/euglena1215/20230830_github_copilot_demo
my_active_model gem Λ࡞தɻࠓ࣮Ͱ͖͍ͯΔͷ͜͜·Ͱɻ 2. ࣮ࡍʹ࣮ͯ͠ΈΔ - લఏ attribute :foo ͱॻ͘ͱ
ରԠͨ͠ίϯετϥΫλɺ getterɺsetter ͕ఆٛ͞ΕΔɻ
attribute ʹҾΛՃͯ͠ɺvalid? ͰܕͷݕূΛߦ͍͍ͨɻ 2. ࣮ࡍʹ࣮ͯ͠ΈΔᶃ - valid? ͷ࣮ ΫϥεͰࢦఆͨ͠ܕͱ͕Ұ க͍ͯ͠Ε
true Λฦ͢ɻ
DEMO 2. ࣮ࡍʹ࣮ͯ͠ΈΔᶃ - valid? ͷ࣮
ઃఆ͞Ε͍ͯΔશ attribute ʹରͯ͠ܕΛݕূͯ͠ ΄͍͠ͷͰఆٛ͞Εͨશ attribute ใΛฦ͢ϝ ιουΛͬͯϧʔϓΛճͦ͏ͱ͢Δͱ...
type ʹ :integer, :string ͳͲͷγϯϘϧͰ ͳ͘ɺ Integer, String ͳͲͷΫϥε͕ ͞ΕΔ͜ͱΛఆ࣮͕ͨ͠ఏҊ͞Ε
ͨɻʢ੯͍͠ʂʣ
ඞਢ߲ΛࢦఆͰ͖Δ required ΦϓγϣϯҰ ॹʹఏҊ͞Εͨɻ͋ͬͯΑͦ͞͏ɻ
ࠓճఏҊΛར༻ͤͣɺܕͷݕূͷ෦ ΛΓग़ͨ͠ valid_type? ϝιου Λ࣮͢Δ͜ͱʹɻ
private ϝιουͱͯ͠ఆٛ͠Α͏ͱ “private” · Ͱೖྗ͢Δͱ valid_type? ϝιουͷఆ͕ٛఏҊ ͞Εͯ...
type Ҿʹ߹ΘͤͯܕͷݕূΛߦ͏࣮ ͕ఏҊ͞Εͨ 🎉
boolean ͷݕূఆ͍ͯ͠ͳ͔ͬͨ ͷͷɺ͋ͬͨํ͕Αͦ͞͏ͳͷͰऔ ΓࠐΉ͜ͱʹɻ
boolean ͷݕূఆ͍ͯ͠ͳ͔ͬͨ ͷͷɺ͋ͬͨํ͕ྑͦ͞͏ͩͱߟ͑ औΓࠐΉ͜ͱʹɻ ͜ΕͰ valid? ϝιουʹΑΔ ܕͷݕূ࣮ྃ 🎉🎉🎉
to_h ΛՃͯ͠࿈ྻʢHashʣͱͯ͠ฦ͍ͨ͠ɻ 2. ࣮ࡍʹ࣮ͯ͠ΈΔᶄ - to_h ͷ࣮
DEMO 2. ࣮ࡍʹ࣮ͯ͠ΈΔᶄ - to_h ͷ࣮
ϝιου໊Λೖྗ͚ͨͩ͠ͰҰൃͰద ͳ࣮͕ఏҊ͞Εͨ 🎉
Enumerable#each_with_object ීஈ ͋·Γ͏͜ͱ͕ͳ͔ͬͨͷͰษڧʹ ͳͬͨɻ
Enumerable#each_with_object ීஈ ͋·Γ͏͜ͱ͕ͳ͔ͬͨͷͰษڧʹ ͳͬͨɻ ͜ΕͰ to_h ϝιουͷ࣮ྃ🎉🎉🎉
to_json ΛՃͯ͠JSONͱͯ͠ฦ͍ͨ͠ɻ 2. ࣮ࡍʹ࣮ͯ͠ΈΔᶅ - to_json ͷ࣮
DEMO 2. ࣮ࡍʹ࣮ͯ͠ΈΔᶅ - to_json ͷ࣮
ͪ͜Βϝιου໊Λೖྗ͢Δ͚ͩͰ ҰൃͰదͳ࣮͕ఏҊ͞Εͨ 🎉
͖ͬ͞ఆٛͨ͠ to_h ϝιου͕ ΘΕͯΔʂ
͖ͬ͞ఆٛͨ͠ to_h ϝιου͕ ΘΕͯΔʂ ͜ΕͰ to_json ϝιου ࣮ྃ🎉🎉🎉
࣍ 1. ͳͥࣗ࡞ϥΠϒϥϦͳͷ͔ 2. ࣮ࡍͲΜͳײ͡ͳͷ͔ 3. ͬͯΈͯͲ͏ײ͔ͨ͡
3. ͬͯΈͯͲ͏ײ͔ͨ͡ GitHub Copilot Λ͏͜ͱͰࣗ࡞ϥΠϒϥϦ࡞ͷϋʔυϧ͕άοͱԼ͕ͬͨʂ - ͖Δલʹ࠷ݶ্͛ΒΕΔ - ࣗ࡞ϥΠϒϥϦ͢Δલʹ͖ͯ͠·͍͕ͪ... -
GitHub Copilot Λ͑ߴʹ։ൃͰ͖ΔͷͰɺ͖Δલʹ࠷ݶͷ࣮Λ্͛ΒΕΔʂ - ֶशڭࡐͱͯ͠⭕ - ීஈΘͳ͍ϝιουͷ͍Ͳ͜ΖΛΕΔ - ϥΠϒϥϦಛ༗ͷநతͳίʔυఏҊͯ͘͠ΕΔ
3. ͬͯΈͯͲ͏ײ͔ͨ͡ GitHub Copilot Λ͏͜ͱͰࣗ࡞ϥΠϒϥϦ࡞ͷϋʔυϧ͕άοͱԼ͕ͬͨʂ - ͖Δલʹ࠷ݶ্͛ΒΕΔ - ࣗ࡞ϥΠϒϥϦ͢Δલʹ͖ͯ͠·͍͕ͪ... -
GitHub Copilot Λ͑ߴʹ։ൃͰ͖ΔͷͰɺ͖Δલʹ࠷ݶͷ࣮Λ্͛ΒΕΔʂ - ֶशڭࡐͱͯ͠⭕ - ීஈΘͳ͍ϝιουͷ͍Ͳ͜ΖΛΕΔ - ϥΠϒϥϦಛ༗ͷநతͳίʔυఏҊͯ͘͠ΕΔ ॳڃऀʹͱͬͯ։ൃͷิॿྠͱͯ͠ɺதڃɾ্ڃऀʹͱͬͯ։ൃͷ ϒʔελʔͱͯ͠ GitHub Copilot ΛҰՈʹҰ͍͔͕Ͱ͠ΐ͏͔ʁ