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Go合宿@土善旅館でのLT

1. 2017/04/23 jollyjoester Go߹॓ ਐḿ͋Γ·ͤΜ
2. ࣗݾ঺հ
3. • ࣣౡҒ೭(@jollyjoester) • Repro Inc. • ͢΂ͯख़஌ / Kanpai-er • ೖ໳ऀ޲͚iOSΞϓϦ։ൃຊॻ͍ͨ Coming Soon
4. SwiftѪ޷ձ • Swift޷͖͕ू·ͬͯΘ͍Θ͍ʰָ͠Ήձʱ • Ϩϕϧɺܦݧ౳ෆ໰ ‣ Swift͕޷͖ͳਓʂ ‣ SwiftΛ޷͖ʹͳΔ༧ఆͷਓ ‣ Ή͠ΖSwift͔Β޷͔Ε͍ͯΔਓ • ݄̍։࠵໨ඪ ‣ ฏ೔ɿஊٛ ‣ ٳ೔ɿ଱ٱ΋͘΋͘ձʴஊٛ ࣍ճ4/28
5. ࢲͷGoܦྺ • ॳΊ͔ͯΒগͳ͘ͱ΋542೔ ɹ ɹ ɹ ɹ
6. ࢲͷGoܦྺ • ॳΊ͔ͯΒগͳ͘ͱ΋542೔ • ࣮࣭΍ͬͨͷ͸3೔ ɹ ɹ ɹ
7. ࢲͷGoܦྺ • ॳΊ͔ͯΒগͳ͘ͱ΋542೔ • ࣮࣭΍ͬͨͷ͸3೔ • υοτΠϯετʔϧʢ542೔લʣ ɹ ɹ
8. ࢲͷGoܦྺ • ॳΊ͔ͯΒগͳ͘ͱ΋542೔ • ࣮࣭΍ͬͨͷ͸3೔ • υοτΠϯετʔϧʢ542೔લʣ • Goೖ໳ऀ޲͚ϋϯζΦϯʢڈ೥ͷͲ͔͜ʣ ɹ
9. ࢲͷGoܦྺ • ॳΊ͔ͯΒগͳ͘ͱ΋542೔ • ࣮࣭΍ͬͨͷ͸3೔ • υοτΠϯετʔϧʢ542೔લʣ • Goೖ໳ऀ޲͚ϋϯζΦϯʢڈ೥ͷͲ͔͜ʣ • Go߹॓ʂ
10. ࠓճͷࢥ࿭ ʮA Tour of GoͰ΋ͪΌͪΌͬͱ΍ͬͯͳΜ͔ͷΞϓϦ έʔγϣϯ࡞Δͧʂʯ
11. ɹ݁Ռ
12. ɹ݁Ռ ਐḿ͋Γ·ͤΜ
13. A Tour of Goܦա • ࠷ॳʹ্ా͞Μͷ࿩Λฉ͘ʢ΍Δؾˢʣ • A Tour of GoΛ࢝ΊΔʢ΍Δؾˢʣ • ͍ͭ·Ͱܦͬͯ΋ऴΘΒͳ͍ʢ΍Δؾˢʁʣ • ͩΜͩΜͭ·ͮ͘͜ͱ͕ଟ͘ͳ͖ͬͯͨʢ΍Δؾˣʁʣ • શମͷϘϦϡʔϜݟͯΈͨʢ΍Δؾˣʣ ʢstructʹϝιουੜ΍͢ͱ͜·Ͱ͔͠ߦ͚ͳ͔ͬͨʣ
14. A Tour of Go ͭ·͖ͮϙΠϯτ̍ • Capacity is Կʁ
15. A Tour of Go ͭ·͖ͮϙΠϯτ̍ • range is Կʁ
16. A Tour of Go ͭ·͖ͮϙΠϯτ̍ • deferͷείʔϓ
17. ܾஅ ϐϘοτ͢Δͧʢಀ͛ͨʣ
18. ࣍ͷ࡞ઓ • จ๏ͱ͔Θ͔Βͳͯ͘΋ಈ͘΋ͷ͕͋Ε͹͍͍΂ • ʮKamiʯͬͯͷΛ࡞ͬͨਓ͕ࢀՃऀʹ͍ΔΒ͍͠ͷͰΈ ͯΈΔ͔ • ʢ࠷ѱ࡞ऀ͔Β̍ථ͍͖ͨͩͩ΂ʣ
19. Kami৮ͬͯΈͨ • Web framework with context • https://github.com/guregu/kami
20. Kami৮ͬͯΈͨ
21. Kamiಈ͍ͨ
22. Ҏ্
23. ͬ͞ͺΓΘ͔ΒΜ
24. ͱ͸͍͑
 ֶΜͩ͜ͱ • contextύοέʔδ is Կ • Middleware is Կ • net/http΍ΕΑ
25. contextύοέʔδ • ϦΫΤετͷΩϟϯηϧͱλΠϜΞ΢τͱϦΫΤετε ίʔϓͷม਺Λѻ͏΋ͷ • Go 1.7͔Βຊମʹ౷߹ • *http.Requestʹcontextؔ࿈ͷϝιου͕௥Ճ͞Εͨ • Kami͸͜Ε͕ग़ΔલʹcontextΛѻ͍͔ͨͬͨ
26. Middleware is Կʁ • ΞϓϦέʔγϣϯͷϝΠϯϩδοΫͷલޙʹڬΉॲཧ • ʢLaravelͱ͔Ͱ΋ݟ͔͚ͨݴ༿ͳͷͰ࠷ۙͷαʔόʔα ΠυͰ͸ී௨ͷ֓೦ʁʣ
27. Goͷnet/http͸ڧྗ ͱΓ͋͑ͣnet/httpΛ΍ͬͯΈͳ͸Ε
28. ͬͯ@guregu͞Μ͕ݴͬͯͨ
29. ࢀߟࢿྉ • https://github.com/guregu/kami#usage • http://go-talks.appspot.com/github.com/guregu/ slides/kami/kami.slide#1 • https://blog.golang.org/context
30. Always See Everything
31. Thank you!