Head First Golang Image Package

Talk session @ golang.tokyo #19

Transcript

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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