200人以上のGoの課題の1人目として受けた際に気をつけたこと.pdf

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1 ਓҎ্ͷ(Pͷ՝୊ͷਓ໨ͱͯ͠ ड͚ͨࡍʹؾΛ͚ͭͨ͜ͱ HPMBOHUPLZP(PΤϯδχΞͷ࠾༻ !TPOBUBSE

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Server Side Engineer ͦͳͨ @sonatard • University • Linux Server and Network Engineer • Canon • Develop Wireless LAN Module Simulator with SystemC • Develop TCP/IP protocol stack on RTOS • Go in my free time • Mercari/Souzoh -> Next Currency -> D Technologies • Google App Engine Go

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3 ࠾༻ ߹֨PSෆ߹֨ Ϛονϯά

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4 ߹֨ͯ͠΋ ࣗ෼ͷಇ͖ํͱձࣾͷಇ͖ํ͕ ߹Θͳ͍ͱ͓ޓ͍ෆ޾

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5 ਓҎ্ͷ(Pͷ՝୊ͷਓ໨ͱͯ͠ ड͚ͨࡍʹؾΛ͚ͭͨ͜ͱ ˣ ૉ௚ʹճ౴͢Δ ಇ࢟͘ΛΠϝʔδͯ͠΋Β͏

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6 ٕज़ྗ

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7 ٕज़՝୊Λୡ੒͢Δ

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8 ٕज़ྗ·ͱΊ ࠷௿ݶͷٕज़ྗ͸͋ΔΑʂ

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9 ٕज़બఆ

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10 ٕज़બఆج४Λදݱ͢Δ

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11 ςετ

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12 ςετͷ༗ແ Ͳ͏͍ͬͨॻ͖ํ͔ Ͳ͏͍͏ϨΠϠʔͷςετ͸ॻ͘΂͖ͩͱ ࢥ͍ͬͯΔͷ͔

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13 ϑϨʔϜϫʔΫɺϥΠϒϥϦͷબఆج४

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14 ͔ͬ͠Γͱͨ͠ϑϨʔϜϫʔΫΛ࢖͍͍ͨ ϑϨʔϜϫʔΫ͸࢖Θͣʹγϯϓϧʹ͍͖͍ͨ ༩͑ΒΕͨ՝୊ʹରͯ͠͸Ͳ͏͔

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15 ༩͑ΒΕ͍ͯͳ͍࢓༷ͷఆٛ

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16 ՝୊ྫ(Pͷιʔείʔυ͔ΒςΩετ จࣈྻΛநग़ͯ͠ग़ྗͤΑ GNU1SJOUG l)FMMPaO8PSMEz l)FMMPaO8PSMEzͱग़ྗ͢Δ͔ l)FMMP 8PSMEzͱग़ྗ͢Δ͔

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17 ඪ४ϥΠϒϥϦͷཧղ

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18 ͳͥͦͷඪ४ϥΠϒϥϦΛ࢖ͬͨͷ͔ ଞʹ΋ͬͱྑ͍ํ๏͸ͳ͍ͷ͔ ਖ਼͘͠ཧղ͍ͯ͠Δ͔

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19 ඪ४ϥΠϒϥϦͰTMJDFฦͬͯ͘Δͱͯ͠ɺ TPSUࡁΈͳ͜ͱ͸ඪ४ϥΠϒϥϦͷυΩϡϝϯτʹॻ͍ͯ͋ͬͨͷͰɺࣗ෼Ͱ͸TPSU͠ͳ͔ͬͨ ςετ͸TPSU͞Ε͍ͯΔલఏͰॻ͔Ε͍ͯͨͨΊɺࣗ෼Ͱ͸TPSU͠ͳ͔ͬͨ ࣮૷͸TPSU͞Ε͍͔ͯͨΒɺࣗ෼Ͱ͸TPSU͠ͳ͔ͬͨ υΩϡϝϯτʹͳ͍͔Βʹ͸ɺ࣮૷͸࢓༷Ͱ͸ͳ͍ͷͰ೦ͷҝTPSUͨ͠ ͳͲݸਓͷߟ͑Λදݱ͢Δ

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20 ύϑΥʔϚϯε

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21 ܭଌ΍࣮૷͔Βͷ༧ଌ Ͳ͏͍͏બ୒ࢶ͕ͱΓ͑Δ͔ ઃܭͷબ୒ࢶͱ͕ͯ̎ͭ͋ͬͨ͠ɺ ύϑΥʔϚϯεͷӨڹͰଥڠͯ͠"ʹͨ͠ ύϑΥʔϚϯεͷӨڹ͕ͳ͍ͷͰཧ૝తͳ#ʹͨ͠ վળͨ݁͠ՌɺͲ͏ͳ͔ͬͨ

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22 ઃܭʹର͢Δߟ͑ํ

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23 ಡΈ΍͍͢ίʔυΛॻ͘

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24 ઃܭ͸ಛʹେࣄͳؾ͕͢ΔͷͰ̍ͭྫΛ

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25 ༩͑ΒΕͨ՝୊͕ ʮ"Λ#ͯ͠$Λฦ͢ʯͳΒ

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26 B/FX" DB# SFUVSOD

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27 ࢓༷ΛίʔυͰදݱ͢Δ ΦϒδΣΫτࢦ޲ͱͯ͠ద੾ͳந৅Խ

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28 ٕज़બఆ·ͱΊ ͜͏͍͏෩ʹٕज़ʹ޲͖߹͏Αʂ

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29 νʔϜ։ൃ

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30 ૬खͷؾ࣋ͪʹཱͭ

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31 νʔϜͷͨΊʹ ಡΈ΍͍͢ίʔυ ςετ υΩϡϝϯτ

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32 ٕज़՝୊ͷ৔߹͸ɺ ࠾఺ऀͷͨΊʹࣗ෼͕Կ͕Ͱ͖Δ͔ ࠾఺ऀͷཱ৔ʹཱͭ

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33 ࣗ෼͕࠾఺ऀͳΒɺҎԼ͸خ͍͠ ఏग़͞Εͨ՝୊ͷ࣮ߦखॱ͕໌֬3&"%.& ࣮ߦ͕؆୯.BLFpMF αϙʔτ͍ͯ͠Δ(Pͷόʔδϣϯ͕Θ͔Δ ςετ͕͋Δ

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34 ࣗ෼͕࠾఺ऀͳΒɺҎԼ͸خ͍͠ ࣮ߦͨ͠ͱ͖ͷαϯϓϧग़ྗ͕͋Δ ͳͥͦͷΑ͏ͳ࢓༷ʹ͔͕ͨ͠Θ͔Δ ઃܭࢥ૝͕఻Θͬͯ͘Δ ԿނͦΕΛબ୒ࢶ͔͕ͨΘ͔Δ ͕࣌ؒ͋Ε͹Ͳ͏͔͔ͨͬͨ͠Θ͔Δ

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35 ࣗ෼͕࠾఺ऀͳΒɺҎԼ͸خ͍͠ ٕज़తόοΫάϥ΢ϯυ͕Θ͔Δ 8FC։ൃΛͲ͜·ͰΘ͔͍ͬͯΔ͔ (PͷجຊΛͲ͜·ͰΘ͔͍ͬͯΔ͔ ධՁͷͱ͖ʹॿ͔Δ ࣗ෼͸ɺ8FCະܦݧͩͬͨͷͰૉ௚ʹͦͷ͜ͱΛॻ͖·ͨ͠ɻ

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36 બ୒ࢶ͕͋ͬͨͱ͖νʔϜͰͲ͏͠Α͏ͱ ࢥ͍ͬͯΔͷ͔ બ୒ࢶ"ɺ#ɺ$ɺ%͕͋Δ͕ ύϑΥʔϚϯεͷͨΊ"ʹ͢Δ ៉ྷͳઃܭʹ͢ΔͨΊ#ʹ͢Δ νʔϜͰ૬ஊܾͯ͠ΊΔ͕#Λਪ͢

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37 νʔϜ։ൃ·ͱΊ ͜Μͳײ͡ʹνʔϜ։ൃͰ͖ΔΑʂ

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38 ·ͱΊ ܦݧɺ஌໊౓ɺٕज़εΩϧ ΑΓ΋ νʔϜͷͨΊʹίʔυΛॻ͚Δ͔Λେ੾ʹ

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39 ͋Γ͕ͱ͏͍͟͝·ͨ͠