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私がGo言語を選んだ理由
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kyokomi
June 01, 2015
Technology
3
410
私がGo言語を選んだ理由
Geek Salon vol.7 Go肉で発表した内容。
Go入門する前を方を対象とした内容になります。
kyokomi
June 01, 2015
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Transcript
ࢲ͕GoݴޠΛબΜͩཧ༝ Geek Salon vol.7 Go @k_yokomi, 2015/05/29 ʮGeek Salon vol.7
Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 1
ࣗݾհ • Twitter: @k_yokomi ʢ͖ΐ͜Έʣ※1 • GunosyͰGoΤϯδχΞͬͯ·͢ • Cocos2d-xͰήʔϜ࡞ͬͨΓͯ͠· ͨ͠
• Gunosy.goͷओ࠵ͱ͔ͬͯ·͢ ʢ࣍6/2Ͱ͢ʣ ※1 ΞΠίϯ݄ඣͷᘡᘚ͞ΜͰ͢ɻ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 2
͡Ίʹ ࠓճͷ༰ʹ͍ͭͯز͔ͭҙࣄ߲͕͋ Γ·͢ɻ 1. ͕ࣗGoΛͬͯɺࣄझຯ։ൃ Λ͠Β͍ͬͯ͘͜͏ͱࢥͬͨཧ ༝͕ϝΠϯͷͰ͢ 2. ͭ·Γฐ͕ࣾGoΛ࠾༻ͨ͠ཧ༝Ͱ ͋Γ·ͤΜ
3. ܾͯ͠ଞͷݴޠΛDis͍ͬͯΔΘ͚Ͱ ͋Γ·ͤΜ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 3
࣍ • खʹೃછΉݴޠ • ͕ࣗGoݴޠΛ৮Γ࢝ΊͨΩοΧέ • ͕ࣗGoݴޠͰؾʹೖ͍ͬͯΔ • ͕ࣗࠓ·Ͱ͍ͬͯͨݴޠͱGoݴޠͷ͍ॴΛൺֱ •
͕ࣗGoݴޠͰ࡞ͬͨͷΛհ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 4
खʹೃછΉݴޠ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 5
खʹೃછΉݴޠ ͱ Ҏલʮkyonmm * kaorit_spica ݁ࠗॕ͍LTେձ in TokyoʯͰ @mizchi ͞Μ͕ൃදͨ͠εϥΠυʮؾ͍ͮͨΒϓϩάϥϚʹͳ
ͬͯͨʯ͕ݩωλͰ͢ɻ ͦͷதͰ͞Ε͍ͯͨɺ खʹೃછΉݴޠΛ࣋ͱ͏ ͱ͍͏ʹͱ ͯڞײ͠·ͨ͠ɻ εϥΠυͪ͜Β => http://mizchi.github.io/kyonmm-lt @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 6
ͪͳΈʹͦͷࠒͷࣗ • Java : αʔόʔαΠυͱAndroidॻ͍ͯͨ • C++ : Cocos2d-xͰήʔϜ࡞ͬͯͨ •
Node.js : ͨ·ʹπʔϧͱ͔αʔόʔαΠυͱ͔ • Ruby : ࣄ͕JavaͩͬͨͷͰԑ͕ͳ͔ͬͨ • Objective-C : ࣄͰνϣοτμέ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 7
ͦ͜ͰGo!! @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 8
GoݴޠΛ ৮Γ࢝ΊͨΩοΧέ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 9
ग़ձ͍rebuild.fm GoݴޠΛͬͨͷɺ20144݄͘Β͍ͷrebuild.fmͰ͢ɻ @lestrrat ͞Μ͕͍ͯͨ͠ճͰ͢ɻ http://rebuild.fm/42/ ͨͩɺ͜ͷ࣌ͷҹʮͳΜ͔ྑͦ͞͏ͳݴޠͩͳʙࠓ৮ͬ ͯΈΑ͏ɻʯఔͰͨ͠ɻ @k_yokomi, 2015/05/29 ʮGeek
Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 10
࣮ࡍʹॻ͖͡ΊͨͷΧ݄ޙ Swift͕ൃද͞Εͯ৮͍ͬͯͨ࣌ʹGoͱࣅͯΔͱ͍͏ίϝϯτΛ Twitterͱ͔Ͳ͔͜Ͱݟͯɺ ൺֱ͠Α͏ͱࢥͬͯGoΛ৮ͬͨͷ͕ΩοΧέɻ ͱΓ͋͑ͣ৮ͬͯΈΔͷେࣄͰ͢Ͷ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7
Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 11
GoݴޠͰ ؾʹೖ͍ͬͯΔ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 12
Ұ൪ɺॻ͍͍ͯͯؾ͍͍࣋ͪ • gofmt, golint, go build, go get, godocͳͲඪ४Ͱπʔϧ͕ἧ ͍ͬͯΔ
• ඪ४ύοέʔδͰͻͱ௨Γػೳ͕ἧ͍ͬͯΔͷʹ͕গͳ͘ ͍֮ͯ͑͢ • ຐ๏Έ͍ͨͳίʔυ͕ແͯ͘ɺݟͨΒେମΘ͔Δͷͱී௨ʹ ॻ͍ͯΕݟ͍͢ίʔυʹͳΔ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 13
ࣗͷΓ͍ͨ͜ͱͱ͔ۙͬͨ • GitHub͕͖ͳͷͰ૬ੑ͕͍͍ • ϥΠϒϥϦͷimport͕GitHubͱີͳ͕ؔ͋ͬͯɺίʔ υΛެ։͍͢͠ • ͕ࣗڵຯ͋ΔʢπʔϧWebAPIʣ͕ൺֱత࡞Γ͢ ͔ͬͨ @k_yokomi,
2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 14
͕ࣗࠓ·Ͱ͍ͬͯͨݴޠͱ Goݴޠͷ͍ॴΛൺֱ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 15
GoҎલʹ͍ͬͯͨݴޠ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 16
Go৮ͬͯΈͯݸਓతͳײ ※͋͘·ͰݸਓతͳײͰ͢ʢॏཁʣ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 17
Goݴޠͷ͍ॴ1ʢπʔϧʣ • ։ൃ࣮ߦָ • όΠφϦʹ͔ͨΊͯͯ͠͠·͑ڥґଘ͕΄ͱΜͲͳ ͍ͷͰָ • npmͱ͔gemΈ͍ͨͳґଘϥΠϒϥϦཧͱ͔Θͣඪ४ύ οέʔδ͚ͩͰେମͷͷ͕ͭ͘ΕΔ •
go routineͰฒߦॲཧָ͕ʹॻ͚Δ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 18
Goݴޠͷ͍ॴ2ʢWebAPIʣ • Jsonύοέʔδ͕ศརͰJsonΛฦ͢APIΛ࡞Δͷ͕؆୯ • ߴԽͱ͔ඞࢮʹߟ͑ͳͯ͘ɺΘΓͱૣ͍ • RDSѻ͏ϥΠϒϥϦ͕·ܾͩఆ൛ͳ͍͚ͲmongoͳΒmgo ͕ɺ͔ͳΓ͍͍ײ͡ • herokuϏϧυύοΫ͋Δ
@k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 19
ͪΐͬͱ͚͕ͩࣗ GoͰ࡞ͬͨͷΛհ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 20
πʔϧ/ϥΠϒϥϦ/WebΞϓϦ • github.com/kyokomi/emoji : fmtͱಉ͡Α͏ʹ:beer:Λֆ จࣈͱͯ͠ग़ྗͰ͖ΔϥΠϒϥϦ • github.com/kyokomi/goma : go
generateͰDBͷΞΫηεί ʔυΛࣗಈੜ͢Δπʔϧ • github.com/shumipro/meetapp : goͰ࣮ͨ͠WebαʔϏ εʢherokuͰӡ༻தʣ ଞʹ͠ΐ΅͍ϥΠϒϥϦπʔϧ͕ͨ͘͞Μ͋Γ·͢ɻ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 21
·ͱΊ • Goඪ४ύοέʔδެࣜπʔϧ͕ἧ͍ͬͯΔͷͰೖָ͕ Ͱɺπʔϧ/APIͷ։ൃָ͕ • Goجຊతʹ։ൃڥ࣮ߦڥΛબͳ͍ • ॻ͖͢͞ॻ͍ͯͯؾ͍͍͔࣋ͪॏཁ͚ͩͲɺࣗͷ Γ͍ͨ͜ͱͱ߹͍ͬͯΔݴޠΛબͿͷ͕େࣄ •
GoΛखʹೃછΉݴޠʹ͠Α͏!!!!!!!! @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 22
͓ΘΓ @k_yokomi, 2015/05/29 ʮGeek Salon vol.7 Go ࢲ͕GoݴޠΛબΜͩཧ༝ʯ 23