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Head First Golang Image Package

Head First Golang Image Package

Talk session @ golang.tokyo #19

Seiji Takahashi

November 13, 2018
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  1. Head First
    Golang
    image package
    @__timakin__
    golang.tokyo#19

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  2. SEIJI TAKAHASHI

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  4. ΞδΣϯμ
    *NBHFύοέʔδͷ঺հ
    ࣮ྫͰֶͿ*NBHFύοέʔδ
    ը૾ͷ߹੒ɾՃ޻
    ը૾ͱจࣈͷ߹੒

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  5. QBDLBHFl*NBHFz
    w %ը૾Λѻ͏ͨΊͷύοέʔδ
    w +1( 1/( (*'ʹରԠ
    w Ͱ͖Δ͜ͱ
    w ৭৘ใऔಘ
    w 1PJOU 3FDUBOHMFͷૢ࡞
    w ݁߹ॲཧʢESBXʣ
    w ϑΥʔϚοτͷσίʔυ

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  6. ྫʣ੺ͷ࢛֯ܗΛඳը

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  7. ϞβΠΫ
    γϟʔϓௐ੔
    ໌Δ͞ௐ੔
    ͳͲɺେମ΍Γ͍ͨ͜ͱ͸Ͱ͖Δ͕
    ίʔυྔ͕ଟ͗͢ΔͷͰׂѪ

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  8. ͱ͍͏͔

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  9. ࢛֯΍ؙͷඳըͱ͔
    Ṗͷ৭ௐ੔ͱ͔

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  10. ͦΜͳ͜ͱͨͯ͘͠
    ͜͜ʹ͖ͯ·͔͢ʁ

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  11. ࣮ફͯ͠Έ·͠ΐ͏ʂ

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  12. ը૾ͷ߹੒ɾՃ޻

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  13. ͱ͜ΖͰօ͞Μ

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  14. !EFFFFU͞Μɻ
    ࠃ಺ͰϚΠΫϩαʔϏεͱ
    ͍͑͹͜ͷํɻ

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  15. Ͱ͕͢ɺ

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  16. ˌEFFFFU෩

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  18. खʹ࣋ͬͨΦϒδΣΫτʢʣΛ
    தԝʹਾ͑ͳ͕Β
    ࣸਅΛࡱΔࡱӨٕ๏ʢʁʣ

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  19. !?

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  20. खʹ࣋ͬͨΦϒδΣΫτʢʣΛ
    தԝʹਾ͑ͳ͕Β
    ࣸਅΛࡱΔࡱӨٕ๏ʢʁʣ

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  21. ͦΜͳʹखʹ͓͠ΌΕͳ
    Λ࣋ͭػձ͸ͳ͍

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  22. ୭Ͱ΋ख๏Λ࠶ݱͰ͖Δͱศར

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  24. ஫ɿW

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  25. ΍Γ͍ͨ͜ͱ
    w Ͱ͍͍ײ͡ͷงғؾΛग़͍ͨ͠
    w ͦΕΛखʹ࣋ͬͨঢ়ଶͰதԝʹఴ͍͑ͨ
    w ʹϑΥʔΧε͍ͯ͠Δ෩ʹ͍ͨ͠

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  26. ඞཁͳ΋ͷ
    w खɺɺഎܠ

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  27. ΦϦδφϧ

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  28. ඞཁͳͱ͜Ζ

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  29. ෼཭

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  30. ద౰ͳഎܠΛ୳͢

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  31. ݟ͚ͭΔ

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  32. ࣮૷
    w ྆ը૾ͷಡΈࠐΈ
    w എܠʹద౓ͳ΅͔͠ΛೖΕΔ
    w खͷը૾Λਃ͠༁ఔ౓ʹαΠζௐ੔͢Δ
    w खट͕ࠨԼʹདྷΔΑ͏ʹͬ͢ͱ߹੒
    w ϑΝΠϧग़ྗ

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  33. HJUIVCDPNEJTJOUFHSBUJPOJNBHJOH
    w JNBHFύοέʔδͷϥούʔ
    w ΅͔͠΍໌౓ௐ੔͕΋ͷ͍͢͝؆୯ʹͰ͖Δ

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  34. ਃ͠༁ఔ౓ͷαΠζௐ੔

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  35. ͬ͢ͱࠨԼʹ߹੒

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  36. ग़ྗʜ

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  38. ը૾ͷ߹੒ɾՃ޻
    w HJUIVCDPNEJTJOUFHSBUJPOJNBHJOHΛ࢖͏
    ͱ͍ͩͿָʹ΅͔͠ͳͲΛೖΕΒΕΔ
    w ߹੒ͷࡍ͸ج४఺͕ࠨ্Ͱ͋Δ͜ͱʹ஫ҙ
    w ਖ਼௚༧૝֎ͷͦΕͬΆ͞ʹͳͬͨ

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  39. ˠਅ໘໨ͳ࿩

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  40. αʔϏεӡ༻தɺ
    Ϛʔέࢪࡦͱͯ͠0(1ը૾Λ
    ࡞੒͢Δ͜ͱ͕͋ΔͷͰ͸ʁ

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  41. ը૾ͱจࣈͷ߹੒

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  42. ΍Γ͍ͨ͜ͱ
    w 0(1എܠը૾ʹจࣈΛ߹੒͢Δ
    w ೚ҙͷจࣈྻΛ೚ҙͷϑΥϯτͰɺ

    ద੾ͳҐஔʹදࣔ͢Δ

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  43. ૉࡐ

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  44. ࣮૷
    w ೚ҙͷϑΥϯτΛಡΈࠐΉ
    w ͦͷϑΥϯτͰςΩετΛ೚ҙͷҐஔʹඳը
    w എܠͱॏͶ߹Θͤͯॻ͖ग़͠

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  45. HJUIVCDPNHPMBOHGSFFUZQFUSVFUZQF
    w ೚ҙͷϑΥϯτͰςΩετΛ೚ҙͷҐஔʹग़͢ʹ͸ɺ
    ௨ৗͷը૾Ճ޻Ͱ͸ෆՄɻ
    w GSFFUZQFύοέʔδΛ࢖͏ɻ

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  46. ϑΥϯτͷಡΈࠐΈ

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  47. എܠΛॻ͖ग़͓ͯ͘͠

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  48. GPOU%SBXFSΛ࢖ͬͨςΩετඳը

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  49. ग़ྗʜ

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  50. ग़ྗʜ

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  51. ը૾ͱจࣈͷ߹੒
    w ϑΥϯτ΍Ґஔௐ੔Λॊೈʹ͍ͨ͠৔߹ɺ

    GSFFUZQFύοέʔδͱGPOU%SBXMFSͷ߹Θٕͤ
    Ͱ͍͚Δ
    w ը૾ͷͲͷҐஔʹදࣔ͢Δ͔ɺจࣈͷંΓฦ͠͸

    Ͳ͏͢Δ͔͸దٓௐ੔ͷඞཁ͋Γ

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  52. ·ͱΊ
    JNBHFͰ৭ɾେ͖͞ͳͲ͕؆୯ʹऔಘͰ͖Δ
    ϥούʔΛ࢖͑͹Ճ޻΋؆୯
    ߹੒ͷ৔߹͸࠲ඪɾॻ͖ग़͠ॲཧͷ࣮૷͕ར༻έʔεʹԠ͡
    ͯมΘͬͯ͘ΔͷͰ஫ҙͷඞཁ͋Γ

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  53. ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ

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