業務で使えるGolang

ヒカルのgo #3 http://connpass.com/event/9175/ で話した内容です

https://github.com/katryo/go_fanfare

Transcript

1. ۀ຿Ͱ࢖͑ΔGolang
   katryo
   

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2. ໨࣍
   1. Golang෍ڭͷͨΊͷIDEಋೖ
   2. ۀ຿Ͱ࢖͑ΔCLIΞϓϦΛGolangͰ࡞ͬͨ
   

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3. 1.Golang෍ڭͷͨΊͷ

   IDEಋೖ
   

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4. GolangΛࣾ಺Ͱ޿ΊΔʹ͸?
   

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5. ։ൃ؀ڥͷ࡞ΓํΛ

   ڭ͓͑͋͏
   

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6. Golang։ൃ؀ڥ
   • GoΛΠϯετʔϧ
   • GopathΛઃఆ
   • ͨΊ͠ʹgo runͰHello worldͯ͠ΈΔ
   

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7. IDE
   • ੩తܕ෇͚ݴޠͰ͋Δ͜ͱͷར఺Λੜ͔͢
   • ΠϯετʔϧͷޙɺGOPATHΛઃఆ
   • ϝχϡʔόʔͷදࣔ(View)͔Β”Manage
   GOPATH…”Λબ୒
   

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8. GOPATHઃఆ
   • Manage GOPATHͰɺࣗ෼ͷઃఆͨ͠GOPATH
   Λॻ͘
   

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9. ΧϥʔεΩʔϚ
   • ݸਓతʹSublime text෩ͷΧϥʔεΩʔϚ͕޷͖
   

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10. 2.ۀ຿Ͱ࢖͑ΔCLIΞϓϦΛ

    GolangͰ࡞ͬͨ
    

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11. Golangͷ࢖్͍
    • CLI
    • γΣϧεΫϦϓτͷ͔ΘΓ
    • ……ͦΕ͚ͩʁ
    

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12. ͳΜͱ͔ͯ͠GoΛ

    ۀ຿Ͱ࢖͍͍ͨ
    

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13. ࢥ͍͍ͭͨ
    

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14. ςετ࣮ߦͷ଴ͪ࣌ؒ໰୊
    • ςετΛ࣮ߦ͢Δͱɺ਺ेඵʙ਺෼ͷ଴ͪ࣌
    ͕ؒൃੜ͢Δ
    • ୀ۶
    • GoͷྗͰ଴ͪ࣌ؒΛָ͘͢͠Δ
    • ԻָΛྲྀͤ͹ָ͘͠ͳΔͷͰ͸ͳ͍͔ʁ
    

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15. γΣϧεΫϦϓτΛ

    ࢧԉ͢ΔϓϩμΫτΛ
    GoͰ࡞Ζ͏
    

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16. ૝ఆ͢ΔγνϡΤʔγϣϯ
    • ./heavy_task ͸ɺॏ͍ॲཧΛ࣮ߦ͢ΔγΣϧ
    εΫϦϓτ
    • ςετɺը૾ॲཧɺetc
    • ./heavy_taskΛ࣮ߦ͢Δؒʹۓഭͨ͠ԻָΛ
    ྲྀ͠ɺ׬ྃͨ͠ΒϑΝϯϑΝʔϨΛྲྀ͍ͨ͠
    

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17. ࢖ͬͨϥΠϒϥϦ
    • portaudio-go
    • portaudioͷgoόΠϯσΟϯά
    • Իָ࠶ੜͷίʔυ͸αϯϓϧΛ΄΅ͦͷ··
    ࢖ͬͨ
    • αϯϓϧͷίʔυ͸aiffΛ࠶ੜ͢Δ΋ͷͩͬͨͷ
    ͰɺaiffͷԻָϑΝΠϧΛ࢖͏͜ͱʹͨ͠
    

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18. ͳͥԻָͱGoͳͷ͔
    • Go͸ฒߦॲཧ͕ಘҙ
    • ChannelΛ࢖͑͹ɺൺֱత؆୯ʹฒߦॲཧ͕
    ॻ͚Δ
    • ʮԿ͔ͷλεΫΛ࣮ߦ͠ͳ͕Βɺಉ࣌ʹԻָ
    Λ࠶ੜ͠ɺλεΫ͕ऴྃͨ͠ΒɺԻָΛ੾Γ
    ସ͑Δʯͷ͸ɺͪΐͬͱ໘౗ͳฒߦॲཧ
    

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19. νϟϯωϧ
    • ผͷGoroutineؒͰϝοηʔδΛ΍ΓͱΓͰ͖Δ
    • λεΫ։࢝ɾλεΫ׬ྃͳͲΛɺνϟϯωϧΛ࢖ͬͯ௨஌ͨ͠
    

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20. WEB+DB vol.82
    • Golangͷॳ৺ऀ޲͚ྑ
    هࣄ
    • jxck͞Μ͕ࣥච
    • Goroutineʹ͍ͭͯ΋ॻ
    ͍ͯ͋Δ
    

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