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ずっとRubyをやっていたエンジニアがGoに入門して挫折して再挑戦した話
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Kenta Suzuki
June 05, 2017
Programming
5.4k
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ずっとRubyをやっていたエンジニアがGoに入門して挫折して再挑戦した話
Kenta Suzuki
June 05, 2017
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Transcript
ͣͬͱRubyΛ͍ͬͯͨ ΤϯδχΞ͕Goʹೖ͠ ͯ࠳ંͯ͠࠶ઓͨ͠ 2017/6/5 GoݴޠLTେձʂ ʮ࠷ۙɺGoݴޠ࢝Ί·ͨ͠ʯͷձ @suzan2go
ࣗݾհ • גࣜձࣾΫϥυϫʔΫε • ླ݈ଠ (Twitter / GitHub @suzan2go) •
ࣄͰRuby / JavaScriptΛॻ͍͍ͯΔΞϓϦ έʔγϣϯΤϯδχΞ • 4݄͔ΒझຯͰGoݴޠΛͪΌΜͱ৮Γ࢝Ί·ͨ͠
None
ॻ͍ͯ·ͤΜ ผਓͰ͢
ࠓͷ RubyΛ͍ͬͯͨ ΤϯδχΞ͕GoΛ࢝Ίͯ Կʹ࠳ંͯ͠ Ͳ͏࠶ઓͯ͠͏·͍ͬͨ͘ ͔
Goݴޠͱͷग़ձ͍
Goݴޠͱͷग़ձ͍(20164݄)
Goݴޠͱͷग़ձ͍ • ಉ྅͕ͪΐͬͱ৮͍ͬͯͨͷͰ໊લ͘Β͍ͬ ͍ͯͨ • GAE / GoͷΈ߹Θͤੌ͍ʂʂ • ͪΐ͏Ͳ৽نࣄۀͷ্ཱͪ͛ʹؔΘ͍ͬͯͯͲΜ
ͳߏͰ࡞Δͷ͔ߟ͍͑ͯͨ • ͜Ε͔ΒGo͕དྷͦ͏ͩʂʂͳΜ͔࡞ͬͯΈΑʂ
࠳ંɾɾɾ
ഊҼ • GoݴޠͰRubyͷΑ͏ͳΦϒδΣΫτࢦΛ Ζ͏ͱͯ͠͠·ͬͨ • GoݴޠͰRubyͷΑ͏ʹָʹॻ͘ํ๏͕ͳ͍ ͔୳͠ٻΊͯ͠·ͬͨ
GoݴޠͰRubyͷΑ͏ͳΦϒδΣ ΫτࢦΛΖ͏ͱͯ͠͠·ͬͨ Ҿ༻ : GoͷΞϯνύλʔϯ http://golang.rdy.jp/2016/07/26/antiptn/
GoݴޠͰRubyͷΑ͏ʹָʹॻ͘ ํ๏͕ͳ͍͔୳͠ٻΊͯ͠·ͬͨ • Goےྗ͕…ͱ͍͏ͭʁ • λΠϓΛݮΒ͢Α͏ͳ͜ͱΛؤுΖ͏ͱ͢Δͱେମ ·ͬͨ • ࣌ɺʮ͜Εઈରͬͱָͳॻ͖ํ͋ΔͩΖʔ͆ʯͱԿ ͔ॻ͘ʹ୳͠ճͬͯ͠·ͬͨ…
• ݁ՌɺGoͩͱ͜͏ॻ͔͘͠ͳ͍ɺΈ͍ͨͳͱ͜Ζʹམͪ ண͍ͯɺ·ͬͨ͘ΞϓϦέʔγϣϯͷ։ൃਐ·ͳ͔ͬͨ
ͦͯ͠Ұ͘Βཱ͍ͬͨ ࠓͷ4݄ ཧ༝Ε͚ͨͲ Goݴޠ࠶ઓ
GitHubͰGoݴޠͷΞϓϦέʔ γϣϯΛ৭ʑݟͯΈΔ https://github.com/shohhei1126/bbs-go
Goݴޠͷઃܭʹ͍ͭͯͷهࣄΛ ৭ʑಡΜͰΈΔ http://www.alexedwards.net/blog/organising-database-access
Goݴޠͷઃܭʹ͍ͭͯͷهࣄΛ ৭ʑಡΜͰΈΔ http://deeeet.com/writing/2016/10/25/go-interface-testing/
GoʹैͬͯݟΔͱ ָ͘͠ͳͬͯ͘Δ
͜Μͳͱ͜Ζָ͕͍͠Ͱ͢Go • golintͰॻ͖ํΛڧ੍͞ΕΔͷͰ໎Θͳͯ͘ྑ͍(vs Ruby) • ܕ͕͋Δͷʹ(ΤσΟλͷαϙʔτ͕͋Δͷ͕͜Μͳʹ࠷ߴͱ)ɺ͔ͭίϯύΠϧ͕ ૣ͍ • σϑΝΫτͳWAFͱ͔͕·ͩͳ͍ɺ৭ʑࣗͰߟ͑ͳ͍͚ͯ͘ͳ͍ͷָ͕͍͠ (DBΞΫηεͲ͏͢ΔɺͲ͏͍͏ߏମ࡞Δ
etc) • GoDocੌ͍ɻখ͍͞ϓϩδΣΫτͰGoDocʹใ͕͋Δࣄ͕ଟ͍(golintͰίϝ ϯτͳ͍ͱౖΒΕΔ͔Βʁ) • ۪ʹॻ͘͜ͱ͕ٻΊΒΕΔ(ؾ͕͢Δ)ͷͰɺΓ͍ͨ͜ͱʹϑΥʔΧεͨ͠ίʔυ ʹͳΔ(ݸਓͷײͰ͢)
͜ΜͳΜ࡞ͬͯ·͢(झຯ)ᶃ • ՈఉهΞϓϦͷόοΫΤϯυAPI(·ͩࣗͷՈఉݶఆ ެ։) ͍ͬͯΔύοέʔδlabstack/echoɺjinzhu/gormͳͲ
͜ΜͳΜ࡞ͬͯ·͢(ࣄ)ᶄ • GitHubͷ͓আ͢Δͭ(ࠓͷͱ͜ΖReleasesΛফ͚ͩ͢…) ༻ύοέʔδ spf13/cobraɺgoogle/go-github ͳͲͳͲ
·ͱΊ • GoʹೖΕGoʹै͑ • ʮΦϒδΣΫτࢦݴޠʯͱ৭ʑҧ͏ͱ͜Ζଟ͍͜ͱΛೝΊΑ͏ • ָΛ͢Δ(͘ॻ͚Δ)Α͏ͳॻ͖ํΛؤு͕ͬͯ͢͞ΑΓɺ۪ʹॻ ͍͍ͯ͘΄͏͕݁ՌతʹΑ͍ίʔυʹͳΔؾ͕͢Δ(ݸਓͷײͰ ͢) •
ઌਓͷॻ͍ͨίʔυɾݟΛࢁࢀߟʹ͠Α͏ • GoʹैͬͯΈΔͱGoॻ͘ͷָ͘͠ͳͬͯ͘Δʂ
ࠓޙͷల •ͬͱࣄͰ Goݴޠͬͯ ͍͖͍ͨ