Introduction to Swift Deep Dive. #cm_osaka

【10/26（金） 大阪】第2弾クラスメソッドのモバイル開発を知る!第1回〜iOS編

https://classmethod.connpass.com/event/104802/

Transcript

1. Introduction to Swift Deep Dive. 
   
   
   
   
   ۚ
   第2弾クラスメソッドのモバイル開発を知る!第1回〜iOS編
2. "CPVU
   NF
3. wΫϥεϝιουגࣜձࣾ
   w෱ԬΦϑΟεॴଐ
   wϞόΠϧΞϓϦαʔϏε෦
   wϞόΠϧΞϓϦΤϯδχΞ
   wαʔόʔαΠυΞϓϦΤϯδχΞ
   wαʔόʔϨε։ൃ෦
   wΞϓϦέʔγϣϯΤϯδχΞ ాத޹໌ @kongmingtrap
4. ೥໨
5. ೥໨
6. ೥໨
8. ࣾ֎׆ಈ
10. ϚχΞοΫͳൃද͕͋ͬͨΓ͢ΔͷͰ
    ͦͷҰ෦Λ͝঺հͰ͖Ε͹ͱࢥ͍·͢
11. w"#*ʹ͍ͭͯ
    w4*-ʹ͍ͭͯ
    wඇಉظॲཧʹ͍ͭͯ ࠓճ࿩͢͜ͱ
12. "#*
13. "QQMJDBUJPO
    #JOBSZ
    *OUFSGBDF
    
14. "QQMJDBUJPO
    #JOBSZ
    *OUFSGBDF wΦϒδΣΫτίʔυϨϕϧͷΠϯλʔϑΣʔ εΛࢦ͢
    wޓ׵"#*Λαϙʔτ͢ΔγεςϜؒͰɺಉ͡ ࣮ߦϑΝΠϧΛมߋແ͠Ͱಈ࡞ͤ͞Δ࢓૊Έ
16. --7. wίϯύΠϧ࣌ɺϦϯΫ࣌ɺ࣮ߦ࣌ͳͲ͋ΒΏΔ ࣌఺ͰϓϩάϥϜΛ࠷దԽ͢ΔΑ͏ઃܭ͞Εͨ ίϯύΠϥج൫
    wԾ૝ϚγϯΛλʔήοτͱͨ͠தؒίʔυ ʢϏοτίʔυʣΛੜ੒͠ɺͦͷԾ૝Ϛγϯ޲ ͚ίʔυΛಛఆͷϚγϯͷػցޠʹม׵͢Δ
    w4XJGUίϯύΠϥͷόοΫΤϯυʹར༻
17. --7.
    Λܰྔͳ··ʹอͪଓ͚͍ͯΔେ͖ͳಛ௃ ͕͋Δ
    ϥΠϒϥϦΛ࢖͏
    ΫϥΠΞϯτଆ͔Βݟ Δͱࢍ൱྆࿦͕͋Δ ɻͦΕ͸ɺաڈͷܾஅ΋ੵۃ తʹݟ௚ͯ͠ɺաڈ
    ͱͷޓ׵ੑΛؾʹͤͣʹ
    "1*
    Λେ͖͘มߋ͍ͯ͘͠ͱ͍͏͜ͱͩɻ --7.ͷ఩ֶ 5IF
    "SDIJUFDUVSF
    PG
    0QFO
    4PVSDF
    "QQMJDBUJPOT
    ೔ຊޠ༁
18. 4XJGUͷ"#*͸
    ҆ఆԽ͍ͯ͠ͳ͍
20. ʊਓਓਓਓਓਓਓਓਓʊ
    ʼɹ$POWFSU
    'BJMFEɹʻ
    ʉ:?:?:?:?:?:?:?:?:?ʉ
21. IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*4UBCJMJUZ.BOJGFTUPNE 4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUP
22. 4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUPΛಡΉ
    ࢀߟࢿྉ
23. IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*4UBCJMJUZ.BOJGFTUPNE "#*҆ఆԽͷجຊํ਑ wΑΓ৽͍͠ίϯύΠϥ͕ݹ͍όʔδϣϯͷ4XJGUͰ ॻ͔ΕͨίʔυΛίϯύΠϧͰ͖Δ͜ͱ
    w৽͍͠4XJGUόʔδϣϯʹҠߦ͢Δࡍʹ4XJGU։ൃ ऀ͕௚໘͢ΔҠߦͷ௧ΈΛܰݮ͢Δ
    wιʔεͷޓ׵ੑʹΑΓɺύοέʔδ࡞੒ऀ͸ɺෳ਺ ͷ4XJGUόʔδϣϯʹΘͨͬͯ୯Ұͷίʔυϕʔε Λҡ࣋͠ͳ͕ΒɺϢʔβʔ͸৽͍͠όʔδϣϯͷ 4XJGUΛ࢖༻Ͱ͖ΔΑ͏ʹͳΔ
24. IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*4UBCJMJUZ.BOJGFTUPNE "#*҆ఆԽͷجຊํ਑ wόΠφϦϑϨʔϜϫʔΫͱϥϯλΠϜͷޓ׵ੑ ʹΑΓɺෳ਺ͷ4XJGUόʔδϣϯͰಈ࡞͢Δό ΠφϦܗࣜͷϑϨʔϜϫʔΫΛ഑෍͢Δ
    wόΠφϦϑϨʔϜϫʔΫʹ͸ɺϑϨʔϜϫʔΫ ͷ"1*ͷιʔεϨϕϧͷ৘ใΛ఻ୡ͢Δ4XJGU ϞδϡʔϧϑΝΠϧͱɺ࣮ߦ࣌ʹϩʔυ͞ΕΔ ίϯύΠϧࡁΈͷ࣮૷Λఏڙ͢Δڞ༗ϥΠϒϥ Ϧͷ྆ํؚ͕·ΕΔ
25. IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT"#*4UBCJMJUZ.BOJGFTUPNE "#*҆ఆޙ w"#*҆ఆޙͷ҆ఆੑʹ͓͍ͯɺΑΓੵۃతͳϨΠ Ξ΢τվળ͕ൃ໌͞ΕΔՄೳੑ͕͋Γ·͢ɻͨͱ ͑͹ɺ֎෦λΠϓͷσʔλϝϯόʔΛ࢖༻ͯ͠ω ετ͞ΕͨλΠϓͷσʔλϝϯόʔΛฒ΂ସ͑ͨ ΓɺύοΩϯάͨ͠Γ͢Δ͜ͱ͕Ͱ͖·͢ɻͦͷ Α͏ͳվળ͸ɺల։λʔήοτ͓Αͼ·ͨ͸࠷খ όʔδϣϯνΣοΫΛհͯ͠"#*BEEJUJWFͳ΍Γ ํͰߦΘΕͳ͚Ε͹ͳΒͳ͍ɻ͜Ε͸ɺϞδϡʔ ϧϑΝΠϧ͕λΠϓ͝ͱͷ"#*όʔδϣϯ৘ใΛ τϥοΩϯά͢Δඞཁ͕͋Δ͜ͱΛҙຯ͠·͢ɻ
26. "#*҆ఆޙ 4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUPΛಡΉ
    
27. "#*҆ఆޙ 4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUPΛಡΉ
    
28. "#*҆ఆԽ͸ඞਢཁ݅ wຊདྷ͸4XJGU
    ͰऔΓೖΕΒΕΔ͸͕ͣॱԆ
    wίʔυΛอक͍ͯ͘͠ϓϩδΣΫτʹͱͬͯɺ ֎෦ϥΠϒϥϦͷϝϯςφϯεͷίετΛԼ ͛Δ͜ͱ͕Ͱ͖Δ
    w4XJGU
    Ͱͷ౥ࡌʹ޲͚ͯɺ4XJGU
    ͳͲ Ͱ0XOFSTIJQपΓͷ੔උ͞Ε͍ͯΔ
29. 4*-
30. 4XJGU
    *OUFSNFEJBUF
    -BOHVBHF IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFSEPDT4*-STU
31. w4XJGU
    ︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎ʹಛԽͨ͠ߴ౓ͳҙຯ৘ใΛ࣋ͭ
    44"
    4UBUJD
    4JOHMF
    "TTJHONFOU
    
    ੩త ୯Ұ୅ೖ
    ܗࣜͷ
    *3
    *OUFSNFEJBUF
    3FQSFTFOUBUJPO
    
    தؒදݱ w࠷΋େ͖ͳػೳɾ໾ׂ͸࠷దԽ 4*-
32. 4XJGUͷίϯύΠϧ IUUQMMWNPSHEFWNUHTMJEFT(SP⒎-BUUOFS4*-)JHI-FWFM*3QEG
33. 4XJGUͷίϯύΠϧ 4XJGUίʔυ ߏจղੳ 4*- 0CKFDU 4*-ੜ੒ ҙຯղੳ ৄࡉղੳ --7.
    *3ੜ੒ --7.
    *3 "45 ந৅ߏจ໦
34. wιʔείʔυͷจࣈྻΛτʔΫϯʹ෼͚ʢࣈ ۟ղੳʣɺग़དྷΔݶΓม਺ͳͲͷࢀরΛղ ্ܾͨ͠Ͱ"45ʢந৅ߏจ໦ʣΛग़ྗ͢Δ ߏจղੳ
35. wߏจղੳͰղܾͰ͖ͳ͔ͬͨม਺ͳͲͷࢀ রͷղܾɺϝϯόʔݺͼग़͠ͷղܾɺܕਪ࿦ɺ ܕνΣοΫΛߦ͏ ҙຯղੳ
36. wҙຯղੳޙʹ--7.
    *3ʹམͱ͠ࠐΉͷͰ͸ ͳ͘ɺಠࣗͷதؒදݱͰ͋Δ4*-Λੜ੒͢Δ
    w4*-ͷੜ੒͸"45Λ૸ࠪͯ͠ߦΘΕΔ 4*-ੜ੒
37. ֤޻ఔ͝ͱͷ݁Ռ͸ΦϓγϣϯͰࢦఆ IUUQTHJUIVCDPNLPOHNJOHTUSBQ4XJGU'J[[#V[[
38. 4*-ʹग़ྗͯ͠ΈΔ 
    TXJGUD
    FNJUTJM
    p[[CV[[TXJGU
39. 4*-ʹग़ྗͯ͠ΈΔ
40. 4*-ʹग़ྗͯ͠ΈΔ 
    TXJGUD
    FNJUTJM
    p[[CV[[TXJGU
41. 4*-ʹग़ྗͯ͠ΈΔ
42. wࣗ෼͕ॻ͍ͨίʔυ͕ͲͷΑ͏ʹॲཧ͞Ε ͍ͯ͘ͷ͔Λ஌Δ͜ͱ͕Ͱ͖Δ
    wύϑΥʔϚϯεվળͷࡍʹٞ࿦ͷωλʹͳ Δ ίϯύΠϧͷ݁ՌΛಡΉ͜ͱʹΑͬͯ
43. <1%'>
    4XJGU
    *OUFSNFEJBUF
    -BOHVBHF
    
    .FNPSZ
    1SPNPUJPO IUUQTLJUBTVLFCPPUIQNJUFNT
44. ඇಉظॲཧ
45. IUUQTHJTUHJUIVCDPNMBUUOFSCGCEDGD "TZOD"XBJU
    GPS
    4XJGU
46. ඇಉظॲཧͰ
    ؕΓ͕ͪͳ໰୊ͨͪ
47. ӡ໋ͷϐϥϛου
48. ӡ໋ͷϐϥϛου ୯७ͳγʔέϯεॲཧΛΫϩʔδϟͰܨ͛ ͯ͠·͏ͱɺਂ͍ωετ͕ൃੜ͠ɺϐϥϛο υͷΑ͏ͳ֊૚ʹͳͬͯ͠·͏
49. ΤϥʔϋϯυϦϯά
50. ΤϥʔϋϯυϦϯά Τϥʔॲཧͷهड़͕৑௕ʹͳΔ
    ʢίʔϧόοΫϕʔεͷ৔߹ʣ
51. $PNQMFUJPO
    )BOEMFSͷ࢖͍Ͳ͜Ζ
52. $PNQMFUJPO
    )BOEMFSͷ࢖͍Ͳ͜Ζ ඇಉظ"1*Λఆٛ͠ʢ$PNQMFUJPO
    )BOEMFSΛ࢖༻ʣɺଟ ͘ͷ"1*ΛϒϩοΫ͢Δ͜ͱ͕Ͱ͖ͨͱͯ͠΋ɺ6*͕བྷΉ ෦෼͸ಉظͰ΍Β͟ΔΛಘͳ͍
    
53. wඇಉظॲཧͷߏจ
    wॱ൪ʹ݁Ռ͕ඞཁͳඇಉظॲཧΛهड़
    w༷ʑͳݴޠʹΤοηϯε͕औΓࠐ·Ε͍ͯ Δ
    w'VUVSF1SPNJTFͩͱ൥ࡶʹͳΔ৔߹ͷه ड़ΛΑΓ؆ܿʹͰ͖ΔΑ͏ʹͨ͠ ͦ΋ͦ΋
    "TZOD"XBJU
    ͱ͸
54. wඇಉظॲཧͷ࠷ऴతͳ׬ྃ΋͘͠͸ࣦഊΛ ද͢৔߹ɺॻ͖ํʹΑͬͯ͸൥ࡶʹͳΔ 1SPNJTF doSomething().then(function(result) { return doSomethingElse(result); }) .then(function(newResult) { return doThirdThing(newResult); }) .then(function(finalResult) { console.log('Got the final result: ' + finalResult); }) .catch(failureCallback);
55. "TZOD"XBJU
    GPS
    4XJGU 4XJGUͷ"TZOD
56. "TZOD"XBJU
    GPS
    4XJGU 4XJGUͷ"TZOD
57. "TZOD"XBJU
    GPS
    4XJGU 4XJGUͷ"TZOD "TZODͷࢦఆͰ໭Γ஋͕ඇಉظ Ͱฦ͞ΕΔ͜ͱΛࣔ͢
    
58. "TZOD"XBJU
    GPS
    4XJGU 4XJGUͷ"XBJU
59. "TZOD"XBJU
    GPS
    4XJGU 4XJGUͷ"XBJU
60. "TZOD"XBJU
    GPS
    4XJGU 4XJGUͷ"XBJU
61. "TZOD"XBJU
    GPS
    4XJGU 4XJGUͷ"XBJU ඇಉظॲཧͷ݁Ռ͕ฦͬͯ͘Δ ·Ͱ଴ػͤ͞Δ
    
62. "TZOD"XBJU
    GPS
    4XJGU #FGPSF
63. "TZOD"XBJU
    GPS
    4XJGU "GUFS
64. ͞ΒͳΔԠ༻
65. w4DBMBͰ͸͓ͳ͡Έͷܕ
    wऴ͍ྃͯ͠Δ͔Ͳ͏͔Θ͔Βͳ͍ॲཧ݁Ռ Λந৅Խͨ͠ܕ
    w'VUVSF͸ະདྷͷ݁ՌΛද͢ܕ 'VUVSF
66. val f: Future[List[String]] = Future { session.getRecentPosts } f onFailure { case t => println("エラーが発⽣生した: " + t.getMessage) } f onSuccess { case posts => for (post <- posts) println(post) } 'VUVSF
67. "TZOD"XBJU
    GPS
    4XJGU 'VUVSFΛ4XJGUͰ࣮ݱ
68. 'VUVSFΛ4XJGUͰ࣮ݱ "TZOD"XBJU
    GPS
    4XJGU
69. w4XJGUͷݴޠ։ൃऀͳΒͰ͸ͷࢹ఺Ͱɺඇಉ ظॲཧʹؔ͢ΔΞϓϩʔν͕هࡌ͞Ε͍ͯΔ
    wϓϩϙʔβϧͱ͸΂ͭʹ'VUVSFܕʹ͍ͭͯ ͷ࣮૷ྫ͕هࡌ͞Ε͍ͯΔ "TZOD"XBJU
    GPS
    4XJGUͷϓϩϙʔβϧ
70. ॴײ
71. w4XJGUͷൃల͸௥ָ͍͍ͬͯͯ͠
    wݴޠͷίϛϡχςΟ͸ɺͨ·ʹϚχΞοΫ ͳ࿩୊͕Ͱ͖ͯͨΓ͢ΔͷͰୀ۶͠ͳ͍
    wJ04NBD04Ҏ֎Ͱ΋4XJGUͷ׆༂ͷ৔͕ ޿͕ͬͯཉ͍͠ ॴײ
72. w"#*҆ఆԽʹ͍ͭͯ
    
    w4XJGU
    *OUFSNFEJBUF
    -BOHVBHF
    
    .FNPSZ
    1SPNPUJPO
    w4XJGUͰࣗ࡞ίϯύΠϥΛ࡞ͬͨ࿩
    w4XJGU
    "#*
    4UBCJMJUZ
    .BOJGFTUPΛಡΉ
    w4XJGUͷதؒݴޠ4*-ΛಡΉ
    ͦͷ
    
    4*-ʹೖ໳ ͢ΔͨΊͷ४උ ࢀߟจݙ
73. એ఻
74. ͔͔ͤͬͩ͘Β
    ෱Ԭʹߦͬͯ
    4XJGUͰϫΠϫΠ
    ΍Γ͍ͨ
76. ͦͷΠϕϯτ୯ମͩͱ
    ݫ͍͠ํ͸ʜ
78. 4XJGU΋ςετ΋
    ໘ന͍ʂ
    ΋ͬͱ৭ʑͳݴޠͷ
    ษڧΛ͍ͨ͠ʜ
80. ͋Γ͕ͱ͏͍͟͝·ͨ͠