iOSアプリの開発速度を170%に向上させたデバッグノウハウ / Debugging knowhow that improved our development velocity to 170%

開発時間に占めるデバッグ時間の割合は少なくないため、この時間の短縮は開発速度を上げるためにとても重要です。この発表では、実際の中規模なアプリ開発で70%増もの開発速度向上を支えたデバッグノウハウを初心者にもわかりやすく紹介します。

https://fortee.jp/iosdc-japan-2018/proposal/7286f755-e980-4f6f-b268-2c56a224b727

Transcript

1. J04 ΞϓϦͷ։ൃ଎౓Λ
  ʹ޲্ͤͨ͞
 σόοάϊ΢ϋ΢ Kuniwak - DeNA Co.,Ltd. 2018.09.02 iOSDC Japan 2018
2. "CPVU
   NF
3. ,VOJXBL
   w ॴଐ
   ˠ
   
   
   
   
   
   
   
   
   
   
   
   w HJUIVCDPN,VOJXBL
   w RJJUBDPN,VOJXBL
   w "QQ$PEF
   -PWFS
4. ͜ͷൃදͰ։ൃ଎౓Λ
 ͋͛ΒΕΔਓ ͸͡Ίʹ
5. ్த·Ͱ͏·͍͘͘ͷʹ
 కΊ੾Γʹؒʹ߹Θͳ͍
6. కΊ੾Γ͕ഭͬͯ͘Δͱ
 ಈ࡞֬ೝΛ͖͠Εͳͯ͘
 େৎ෉ͩͱ৴͡Δ͔͠ͳ͍
7. 4JNVMBUPS
   ΆͪΆͪʹ
 ͕͔͔࣌ؒͬͯΠϥΠϥ͢Δ
8. ͜Μͳ͓೰Έɺօ͞Μʹ΋͋Γ·ͤΜ͔ʁ
   ͜͏վળͨ͠Αʂͱ͍ͬͨମݧ͕͋Ε͹ɺ
 ͥͻ
   UXFFU
   ͍ͯͩ͘͠͞ʂ
9. ͜ͷൃදͰ఻͍͑ͨ͜ͱ ͓೰Έͷ͋ͳͨ΁
10. 
    ΁ͷ։ൃ଎౓޲্Λࢧ͑ͨ
    
    ͭͷϊ΢ϋ΢ɿ
    --%#
    Λ࢖͍͜ͳ͢
    σόοάͷλΠϛϯάΛมߋ௚ޙʹ͢Δ
    ෆ҆ۦಈͰηϧϑνΣοΫ͢Δ
    ಈ࡞֬ೝΛࣗಈԽ͢Δ
    ؒҧ͍ʹ͍͘ઃܭʹ͢Δ     
11. ͜ͷൃදͷޙ൒͔Β͸ɺσόοάࣗମͷϊ΢ϋ΢ͷ
 આ໌ΑΓ΋ɺߴ౓ͳσόοάΛඞཁͱ͠ͳ͍ͨΊͷ
 ϊ΢ϋ΢ͷઆ໌͕ओʹͳ͍͖ͬͯ·͢
    ͜͏ͨ͠ҙਤ͸ɺσόοά͸ඇޮ཰తͳ࡞ۀͰ͋Γɺ
 σόοάͷස౓ΛԼ͛Δ͜ͱ͕ͦ͜σόοάʹର͢Δ
 ༗ޮͳྟΈํͩͱ͍͏ࢲͷ৴೦͔Β͖͍ͯ·͢ ஫ҙॻ͖
12. ϊ΢ϋ΢ͷ঺հ ։ൃ଎౓Λ޲্ͤ͞Δ
13. --%#Λ࢖͍͜ͳ͢ Φεεϝ౓
    ʜ ϊ΢ϋ΢
    
14. σόοάͷ࣌ؒͰϦϏϧυʹ
 ͔͔͍ͬͯΔ࣌ؒ͸গͳ͘ͳ͍
    ϦϏϧυΛආ͚ΒΕΕ͹
 σόοά࣌ؒΛ୹ॖͰ͖Δ
15. --%#
    ͱ͍͏σόοάπʔϧΛۦ࢖ͯ͠
 ࣍ͷ
    
    ͭͷํ๏ͰϦϏϧυΛආ͚ΒΕΔɿ
    ίʔϧελοΫΛḪΔ
    ϦϏϧυͳ͠Ͱ࠶࣮ߦ͢Δ
    ىಈͨ͠··ঢ়ଶΛมߋ͢Δ " # $
16. ϊ΢ϋ΢
    ʵ" ίʔϧελοΫΛḪΔ CSFBLQPJOU
    Λ࢖͏໨తͷͭ͸ɺ͋Δ࣌఺ͷ
 ม਺ͳͲΛ֬ೝ͢Δ͜ͱ
    Կ͔͓͔͚͠Ε͹ɺ΋͏গ͠աڈʹḪͬͯ
 ม਺Λ֬ೝ͢Δ͜ͱʹͳΔ
    ͜ΕΛ
    CSFBLQPJOU
    ͷషΓ௚͠ͱ
 ϦϏϧυͰ΍Δͱ͕͔͔࣌ؒΔ
17. ίʔϧελοΫʹ࢒͍ͬͯΔม਺ͳΒɺ
 ϦϏϧυ͠ͳ͍Ͱ΋֬ೝͰ͖Δ ࣮͸
18. ίʔϧελοΫͱ͸ʜʁ
19. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ᶃ
    ؔ਺Λ࣮ߦ ίʔϧελοΫ
20. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺ ؔ਺͕ݺͼग़͞ΕΔͱɺ
 ελοΫϑϨʔϜ͕࡞੒͞Εɺ
 ίʔϧελοΫʹੵ·ΕΔ
21. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ᶄ
    ಺෦Ͱؔ਺Λ࣮ߦ ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺
22. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CBS"SH CBS7BS CBS
    ؔ਺ ݺͼग़͞Εͨؔ਺ͷதͰ
 ͞Βʹผͷؔ਺͕ݺ͹Εͯ΋
 ίʔϧελοΫʹੵ·ΕΔ
23. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ᶅ
    ͞Βʹ಺෦Ͱؔ਺Λ࣮ߦ ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CBS"SH CBS7BS CBS
    ؔ਺
24. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CBS"SH CBS7BS CBS
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CB["SH CB[7BS CB[
    ؔ਺ ίʔϧελοΫʹੵ·ΕΔ
25. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ᶆ
    ϒϨʔΫϙΠϯτͰࢭΊΔ ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CBS"SH CBS7BS CBS
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CB["SH CB[7BS CB[
    ؔ਺
26. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CBS"SH CBS7BS CBS
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CB["SH CB[7BS CB[
    ؔ਺ ࢭ·ͬͨ࣌ʹݟ͍͑ͯΔ΋ͷ
27. func foo(_ fooArg: Int) { let fooVar = fooArg + 5 bar(fooVar) } func bar(_ barArg: Int) { let barVar = barArg * 7 baz(barVar) } func baz(_ bazArg: Int) { let bazVar = "\(bazArg)" print(bazVar) } ίʔϧελοΫ Ҿ਺ ϩʔΧϧม਺ GPP"SH GPP7BS GPP
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CBS"SH CBS7BS CBS
    ؔ਺ Ҿ਺ ϩʔΧϧม਺ CB["SH CB[7BS CB[
    ؔ਺ ࣮͸શ෦
    --%#
    ͔ΒݟΒΕΔ
28. 9DPEF "QQ$PEF ίʔϧελοΫͷḪΓํ ͕͜͜ίʔϧελοΫ
29. 9DPEF "QQ$PEF ݟ͍ͨελοΫϑϨʔϜΛબ΂Δ ίʔϧελοΫͷḪΓํ
30. 9DPEF "QQ$PEF ͦͷ࣌఺ͷม਺΍Ҿ਺ΛݟΒΕΔ ίʔϧελοΫͷḪΓํ
31. ϊ΢ϋ΢
    ʵ# ϦϏϧυͳ͠Ͱ࠶࣮ߦ͢Δ ίʔϧελοΫΛḪΔํ๏Ͱ͸ɺ͢Ͱʹ
 ࣮ߦ͕ऴΘͬͯ͠·ͬͨؔ਺ͷม਺ΛݟΒΕͳ͍
    ͦͷ৔߹͸࠶࣮ߦ͠ͳ͚Ε͹ͳΒͳ͍͕ɺίʔυʹ
 มߋΛՃ͍͑ͯͳ͚Ε͹ϦϏϧυ͠ͳ͍Ͱ
 ࠶࣮ߦͨ͠΄͏͕࣌ؒΛઅ໿Ͱ͖Δ
32. 9DPEF ϦϏϧυͳ͠ͷ࠶࣮ߦͷ΍Γํ "QQ$PEF ᶃ
    Ϗϧυઃఆฤू ᶄ
    ࠶࣮ߦ͍ͨ͠
 ઃఆΛίϐʔ ᶅ
    #VJME
    Λ࡟আ ᶆ
    ࡞੒ͨ͠ઃఆΛ࣮ߦ ΞϓϦΛ࠶ىಈͯ͠
 "UUBDI
    UP
    1SPDFTT
    Ͱ΋
 ࣅͨΑ͏ͳ͜ͱΛͰ͖·͢ ผͷํ๏
33. ϊ΢ϋ΢
    ʵ$ ىಈͨ͠··ঢ়ଶΛมߋ͢Δ ม਺ͷ಺༰Λॻ͖׵͑Δ͚ͩͳΒɺ
 ϦϏϧυͳ͠Ͱ΋Մೳ
    ίʔυม਺ͷ಺༰ΛҰ࣌తʹॻ͖׵͑ͯ
 ಈ࡞Λ͔֬Ί͍ͨ৔߹ʹศར σβΠφʔͱͷ࣮ػ֬ೝͳͲͰ
 Α͘ॏๅͨ͠ςΫχοΫ
34. มߋΛ࢝ΊΔͨΊͷҰ࣌ఀࢭͷ΍Γํ 9DPEF "QQ$PEF
35. --%#
    ͷೖྗΠϯλʔϑΣʔεΛ֬ೝ 9DPEF "QQ$PEF --%#
    ͷίϚϯυϥΠϯΠϯλʔϑΣʔε͕ىಈ͢Δ
36. (lldb) help Debugger commands: apropos -- List debugger commands related to a breakpoint -- Commands for operating on breakpoint shorthand.) ... IFMQ
    Λ࣮ߦ͢Δͱɺ࣮ߦͰ͖Δૢ࡞ͷҰཡ͕දࣔ͞ΕΔ
37. (lldb) help po
 Evaluate an expression on the current
 thread. Displays any returned value
 with formatting controlled by the type's
 author. Expects 'raw' input (see 'help
 raw-input'.) ࠓճ͸
    --%#
    ܦ༝ͰίʔυΛ࣮ߦ͢Δ
    QP
    Λ࢖͏ ҙ༁: ݱࡏͷεϨουͰίʔυΛධՁ͠ɺ݁Ռͷ
 ஋ΛਓؒʹಡΈ΍͍͢ܗͰදࣔ͠·͢ɻ
38. (lldb) po print("Hello, World") error: use of undeclared identifier 'print' QP
    ίϚϯυͰ
    )FMMP
    8PSME
    Λදࣔͯ͠ΈΑ͏ "QQ$PEF
    ͷਓ͸͜ͷΤϥʔ͕ग़ͳ͍͔΋
39. ݱࡏͷελοΫϑϨʔϜΛ֬ೝ 9DPEF "QQ$PEF 4XJGU
    ͷελοΫϑϨʔϜ΁Ҡಈ ࠷ॳ͔Β
    4XJGU
    ͷελοΫϑϨʔϜΛ
 બ୒ͯ͘͠Ε͍ͯΔ͜ͱ͕ଟ͍
40. (lldb) po print("Hello, World") Hello, World ΋͏Ұ౓
    QP
    ίϚϯυͰ
    )FMMP
    8PSME
    Λදࣔͯ͠ΈΑ͏ ͏·࣮͘ߦͰ͖ͨ
41. QP
    ίϚϯυΛ࢖͏ͱɺىಈதͷΞϓϦͷ
 ద౰ͳ
    6*7JFX
    ͷঢ়ଶΛม͑ΒΕΔ ͜ͷදࣔจࣈྻΛม͑ͯΈΑ͏
42. (lldb) po UIApplication.shared.keyWindow!
 .value(forKey: "recursiveDescription")! <UIWindow: 0x7fbee05517b0; frame = (0 0; 320 568); autoresize = W+H; g | <UIView: 0x7fbee0719bc0; frame = (0 0; 320 568); autoresize = W+H | | <UIView: 0x7fbee071daf0; frame = (31.5 247.5; 257 93); autor | | | <UIButton: 0x7fbee050de30; frame = (48.5 53; 160 40); o | | | | <UIButtonLabel: 0x7fbee0773930; frame = (4 6.5; 15 | | | <UILabel: 0x7fbee0610fe0; frame = (4 0; 250 37); text = | | | | <_UILabelContentLayer: 0x6040006336e0> (layer) ·ͣɺදࣔ͞Ε͍ͯΔ
    6*7JFX
    ͷҰཡΛදࣔ
43. (lldb) po UIApplication.shared.keyWindow!
 .value(forKey: "recursiveDescription")! <UIWindow: 0x7fbee05517b0; frame = (0 0; 320 568); autoresize = W+H; g | <UIView: 0x7fbee0719bc0; frame = (0 0; 320 568); autoresize = W+H | | <UIView: 0x7fbee071daf0; frame = (31.5 247.5; 257 93); autor | | | <UIButton: 0x7fbee050de30; frame = (48.5 53; 160 40); o | | | | <UIButtonLabel: 0x7fbee0773930; frame = (4 6.5; 15 | | | <UILabel: 0x7fbee0610fe0; frame = (4 0; 250 37); text = | | | | <_UILabelContentLayer: 0x6040006336e0> (layer) දࣔ͞Ε͍ͯΔΫϥεͷܕ΍ϝϞϦΞυϨεΛೖखͰ͖Δ
44. (lldb) po let $label = unsafeBitCast(0x7fbee0610fe0, to: UILabel.self) ܕͱϝϞϦΞυϨε͕Θ͔ΔͱɺunsafeBitCast
    Ͱ
 ΠϯελϯεΛऔಘͰ͖Δ
45. (lldb) po let $label = unsafeBitCast(0x7fbee0610fe0, to: UILabel.self) ม਺΍ؔ਺ͳͲͷએݴΛ͢Δ৔߹͸ɺ໊લΛ
    
    ͔Β࢝Ίͳ͍ͱແࢹ͞ΕΔͷͰ஫ҙ
46. (lldb) po $label <UILabel: 0x7fbee0610fe0; frame = (4 0; 250 37); text ΠϯελϯεΛऔಘͰ͖͔ͨͲ͏͔֬ೝͯ͠ΈΑ͏
47. (lldb) po $label.text = "Hello, World!" $label ͷςΩετΛॻ͖׵͑ͯΈΑ͏
48. ΞϓϦͷ࣮ߦΛ࠶։͢Δ΍Γํ 9DPEF "QQ$PEF
49. UILabel
    ͷද͕ࣔมΘͬͨʂ
50. 5*14 ελοΫϑϨʔϜΛม͑ΔҎ֎ͷํ๏ ઌ΄Ͳ͸ελοΫϑϨʔϜΛ
    4XJGU
    ͷ΋ͷʹ
 ߹Θͤͳ͍ͱΤϥʔʹͳ͍ͬͯͨ
    ࣮͸ɺԼͷΑ͏ʹ࣮ߦ͢ΔͱɺελοΫϑϨʔϜΛ
 ม͑ͳͯ͘΋Τϥʔ͸ൃੜ͠ͳ͍ ҙຯ͸
    help expr Ͱௐ΂ͯΈΑ͏ (lldb) expr -l swift -o -- print("Hello, World") ൃ ද Ͱ ͸ ׂ Ѫ
51. ݟͨ໨ͷมߋΛ΋ͬͱ؆୯ʹ 3FWFBM
    ͱ͍͏ΞϓϦʢ༗ྉʣ͕ͱͯ΋ศར
 'SFF
    5SJBM
    ͕͋ΔͷͰɺࢼͯ͠ΈΔͱ͍͍͔΋ʁ ྫ͑͹
    6*-BCFM
    ͷ
 ςΩετΛม͑ΒΕΔ ಛʹ
    "VUP-BZPVU
    ͷ
 σόοάʹॏๅ͢Δ https://revealapp.com 5*14 ൃ ද Ͱ ͸ ׂ Ѫ
52. ϊ΢ϋ΢
    
    ͷ·ͱΊ σόοΨΛ࢖͏ͱͭͷํ๏Ͱ
 ϦϏϧυΛආ͚ΒΕΔɿ
    ίʔϧελοΫΛḪΔ
    ϦϏϧυͳ͠Ͱ࠶࣮ߦ͢Δ
    ىಈͨ͠··ঢ়ଶΛมߋ͢Δ " # $
53. σόοάͷλΠϛϯάΛ
 มߋ௚ޙʹ͢Δ ϊ΢ϋ΢
     Φεεϝ౓
    ʜ
54. ݪҼͷજΉൣғΛߜΓࠐΉͷ΋
 σόοά࣌୹ͷ༗ޮͳςΫχοΫ
55. GVODDMBTTTUSVDUFOVN
    ͱ͍ͬͨ
 খ͞ͳ୯Ґͷ࣮૷௚ޙʹσόοάΛ
 ͢Ε͹ɺݪҼ͸௚લͷൣғʹߜΒΕΔ ۩ମతʹ͸
56. ॏཁͳͷ͸ɺมߋͱ֬ೝͷαΠΫϧΛ
 ͳΔ΂͘୹ִ͍ؒͰճͤΔΑ͏ʹอͭ͜ͱ ίʔυͷ
 มߋ ಈ࡞֬ೝ
57. struct Example { static func intToString(_ i: Int?) -> String { let x: Int! = i return "\(x)" } } ྫ͑͹ɺ੔਺Λਐ਺දهͷจࣈྻ΁
 ม׵͢ΔίʔυΛ࣮૷ͨ͠ͱ͢Δ ྫ͑͹ɺ
    ΛҾ਺ʹ͢Ε͹ɺਐ਺
 จࣈྻͰ͋Δ
    ͕ฦ͖ͬͯͯ΄͍͠
58. ผͷίʔυͰ࢖͏લʹ
    --%#
    Ͱಈ࡞Λ֬ೝ͠Α͏
    ʢ--%#
    ͸ΞϓϦͷҰ࣌ఀࢭͰىಈͰ͖Δʣ (lldb) po Example.intToString(42)
59. (lldb) po Example.intToString(42) "Optional(42)" 
60. struct Example { static func intToString(_ i: Int?) -> String { let x: Int! = i return "\(x)" } } όάΛݟ͚ͭͨΒ௚લͷ࣮૷Օॴʹ໭Ζ͏
61. struct Example { static func intToString(_ i: Int?) -> String { let x: Int = i! return "\(x)" } } Int!
    ΛจࣈྻԽ͢Δͱ
    "Optional(...)"
    ʹ
 ͳͬͯ͠·͏ͷͰɺInt
    ʹͳΔΑ͏मਖ਼͢Δ
62. struct Example { static func intToString(_ i: Int?) -> String { let x: Int! = i return "\(x)" } } ࣮૷௚ޙʹσόοάͨ͠ͷͰɺ
 ݪҼՕॴ͕͙ۙ͘͢ʹݟ͔ͭͬͨ
63. मਖ਼ͨ͠Βɺ·͙ͨ͢ʹಈ࡞֬ೝ͠Α͏ (lldb) po Example.intToString(42) "42" ࠓ౓͸େৎ෉ͦ͏ͩ
64. 5*14 --%#
    Ͱ
    CSFBLQPJOU
    Λޮ͔ͤΔํ๏ --%#
    ͷ
    po
    ΍
    expr
    ʹΑΔ࣮ߦͰ
    CSFBLQPJOU
    ͕
 ޮ͔ͳͯ͘ࠔΔ͜ͱ͕͋Δ
    ͦ͜Ͱɺexpr
    ͷ
    -i
    ΦϓγϣϯΛ
    false
    ʹ͢Δͱɺ
 --%#
    ͔Βͷ࣮ߦͰ΋
    CSFBLQPJOU
    ͕ޮ͘Α͏ʹͳΔ (lldb) expr -l swift -o -i false -- Example.intToString(42) ൃ ද Ͱ ͸ ׂ Ѫ
65. ϊ΢ϋ΢
    
    ͷ·ͱΊ ͳΔ΂͘୹͘ૉૣ͘ճ͢ ίʔυͷ
 มߋ ಈ࡞֬ೝ
66. ෆ҆ۦಈͰηϧϑνΣοΫ͢Δ ϊ΢ϋ΢
     Φεεϝ౓
    ʜ
67. Α͋͘Δ։ൃ଎౓௿ԼͷݪҼ͸ख໭Γ
    ࣗ෼ͷಈ࡞֬ೝ͕ෆ׬શͩͬͨΓɺ
 ࢥ͍΋͔ͭͳ͍όά͕͋ͬͨΓ͢Δͱ
 σόοά·Ͱख໭Γͯ͠͠·͏
68.  ͕࣌ؒܦͭ΄ͲݪҼ͕Θ͔Βͳ͘ͳΔ
     ༨ܭͳίϛϡχέʔγϣϯ͕૿͑Δ
     కΊ੾Γ௒աͷ࠷ޙͷҰԡ͠͸͍͍ͩͨख໭Γ ख໭ΓʹΑͬͯੜ͡Δ໰୊
69. ͕࣌ؒܦͭ΄ͲݪҼ͕Θ͔Βͳ͘ͳΔ ͜ΕมͳͷͰݟͯ΋Β͑·͢ʁ ઌि࣮૷ͨ͠΍͚ͭͩͲ
 ͲΜͳײ͡ʹ͚ͨͬ͠ʜʁ ಈ࡞֬ೝ୲౰ ࣮૷ऀ
70. ༨ܭͳίϛϡχέʔγϣϯ͕૿͑Δ ͜Εόάͬͯ·ͤΜ͔ʁ खॱΛڭ͑ͯ΋Β͑·͔͢ʁ ͑ʔͱɺ"
    Λ
    #
    ͔ͯ͠Β
    ʜ ಈ࡞֬ೝ୲౰ ࣮૷ऀ
71. కΊ੾Γ௒աͷ࠷ޙͷҰԡ͠͸͍͍ͩͨख໭Γ ࣮૷ ࣮૷ ࣮૷ ϨϏϡʔ ϨϏϡʔ ϨϏϡʔ ಈ࡞֬ೝ ख໭ΓରԠ ಈ࡞֬ೝ ਓ਺Ͱεέʔϧ͠ͳ͍ $
    ͞Μ ,VOJXBL "͞Μ #
    ͞Μ
72. ͳΔ΂ࣗ͘෼ͰόάΛݟ͚ͭͯɺ
 ख໭ΓΛݮΒ͍ͯ͘͜͠ͱ͕ॏཁ
    ଟগ͕͔͔࣌ؒͬͨͱͯ͠΋ɺ
 ͋ͱͰݟ͔ͭΔΑ͏ͳόάͰ
 ख໭Γ͠ͳ͚Ε͹શମతͳ
 ࣌ؒ͸Ή͠ΖݮΔ ͭ·Γ
73. Ͳ͜·ͰΛηϧϑνΣοΫ͢Δ͔ ͱ͸͍͑
74. ͜ͷ··ಥ͖ਐΉͱɺ͢΂ͯͷόάΛ
 શ෦ࣗ෼Ͱݟ͚ͭΔ͜ͱʹͳͬͯ
 ͠·Θͳ͍ͩΖ͏͔ʁ
    ͦΕ͸ਖ਼͍͠ํ਑ͳͷͩΖ͏͔ʁ
75. ࣗ෼ͰશͯΛݟ͚ͭΔ ख໭Γ࠷খ
76. ಈ࡞֬ೝ୲౰ͷਓͷ࣌ؒΛ
 ༗ޮ׆༻Ͱ͖ͳ͍ ख໭Γ࠷খ ෼ۀ࠷খ 
77. ࣮૷͚ͩʹઐ೦͢Δ ख໭Γ࠷খ ෼ۀ࠷খ  ෼ۀ࠷େ
78. ։ൃ͕࣌ؒ৳ͼΔ ख໭Γ࠷খ ෼ۀ࠷খ  ෼ۀ࠷େ ख໭Γ࠷େ 
79. ख໭Γ࠷খ ෼ۀ࠷খ  ෼ۀ࠷େ ख໭Γ࠷େ  ͲͪΒ΋ۃ୺ʹ͢Ε͹͕࣌ؒ૿͑ͯ͠·͏
80. Ͳ͔͜ͷଥڠ఺Λ
 બ͹ͳ͍ͱ͍͚ͳ͍ ͱ͍͏͜ͱ͸
81. ීวతʹ࠷దͳ
 ଥڠ఺͸ଘࡏ͠ͳ͍ ͔͠͠
82. ͢΂ͯͷෆ҆ͳߦΛҰ౓͸
 ௨ա͢Δఔ౓Λ໨҆ʹͨ͠ ͦ͜ͰɺࢲͷࣄྫͰ͸
83. ෆ҆ͳίʔυͷྫ struct Example { static func intToString(_ i: Int?) -> String { let x: Int! = i return "\(x)" } } ͨͱ͑͹ɺઌ΄Ͳͷ୹͍ίʔυͷதʹ΋
 ෆ҆ͳ৔ॴ͕͋ͬͨ ࢲͷෆ҆ϙΠϯτ
84. "\(x)"
    ͸ͱ͖Ͳ͖৴༻ͷͳΒͳ͍ڍಈΛ͢Δ
    Int?
    ͩͱμϝʹͳΔͷ͸༗໊ͳͷͰ
 ஌͍͕ͬͯͨɺInt!
    Ͱ΋ಉ͡Α͏ʹ
 μϝͳͷ͔Ͳ͏͔֬৴Λ΋ͯͳ͔ͬͨ
    ͦ͏͍͏࣌͸ɺ--%#
    ͳͲͰ
 ࣮ࡍʹಈ͔͔ͯ֬͠ΊΑ͏ --%#
    Ҏ֎ͷํ๏͸ϊ΢ϋ΢Ͱ΋঺հ
85. w සൟʹ௨ա͢Δ෼ذʢ͜͜ʹόά͕͋Δͱਃ͠༁ͳ͍ʣ
    if (x < 0)
    ͷ෼ذͰ
    x
    ʹͲΜͳ΋ͷ͕དྷΔ͔
 Θ͔Βͳ͍ͳΒɺগͳ͘ͱ΋ਖ਼ͱෛͷ྆ํΛࢼ͢
    w ෼ذ৚݅ͷڥ໨
    x < 0
    ͳΒڥ໨͸
    ɺ഑ྻ͸ۭͷͱ͖ʹڥ໨ʹͳΓ΍͍͢
 Double
    ͳΒ
    +0 -0 +infinity -infinity nan
    ͳͲ
    w ཧղͰ͖͍ͯͳ͍ίϯϙʔωϯτͷར༻
    ྫ͑͹ɺඪ४ϥΠϒϥϦͷ
    6*5BCMF7JFX
    ͸࢖͍ํ͕
 ͱͯ΋ෳࡶͳͷͰ͍ͭ΋ؒҧ͑ͯ͠·͏ ࢲͷ࠷ۙͷෆ҆ϙΠϯτ ൃ ද Ͱ ͸ ׂ Ѫ
86. ։ൃऀͷෆ҆͸ɺաڈʹࣗ਎͕౿Μͩ
 όάͷܦݧΛ൓ө͍ͯ͠Δ͔Β ͔͠͠ɺͳͥෆ҆ͱ͍͏ج४ͳͷ͔ʁ
87. ෆ҆ΛΞοϓσʔτ͠ଓ͚Δ͜ͱͰ
 ͦͷݱ৔ʹదͨ͠ଥڠ఺΁͍͍͚ۙͮͯΔ
    ෆ͕࣮҆ࡍͷόάͷ܏޲ʹ
 ݁ͼͭ͘Α͏ʹײ֮Λ
 ߋ৽͠ଓ͚Α͏
88. ϊ΢ϋ΢
    
    ͷ·ͱΊ ෆ͕҆ͳ͘ͳΔ·Ͱ
 ηϧϑνΣοΫ͠Α͏
    ෆ҆ͷਫ਼౓Λ্͍͛ͯ͜͏
89. ಈ࡞֬ೝΛࣗಈԽ͢Δ ϊ΢ϋ΢
     Φεεϝ౓
    ʜ
90. ϊ΢ϋ΢Λଥڠͤͣʹ
 ࣮ફ͢Δͷ͸͔ͳΓ೉͍͠
    ͳͥͳΒɺෆ҆Λײ͡ΔՕॴ͸
 ࢥͬͨΑΓଟ͍͔Β
    ͢Δͱ్தͰଥڠ͕ͪ͠ʹͳΓɺ
 ख໭Γ͕ࢥͬͨΑΓ
 ݮΒͳ͘ͳΔ
91. Ͳ͜·Ͱ֬ೝ͢Ε͹҆৺Ͱ͖ΔͩΖ͏ʁ
    ཧ૝తͳൣғΛ૝૾ͯ͠ΈΑ͏
92. ࢲʹͱͬͯͷཧ૝తͳಈ࡞֬ೝ Өڹ͞ΕΔίϯϙʔωϯτ
 ͢΂ͯͬͯແཧͰ͸ʜʁ ͜Ε͸Ͱ͖ͦ͏ w ͦΕҎ֎ʹӨڹ͢Δίϯϙʔωϯτ΋
 ͢΂ͯ֬ೝ͠ͳ͍ͱຊདྷ͸·͍ͣ w ࣮૷मਖ਼ͨ͠ίϯϙʔωϯτΛ
 ֬৴Ͱ͖ΔϨϕϧ·Ͱ֬ೝ
93. w ͕͔͔࣌ؒΓ͗͢Δ
    w Өڹ͢Δίϯϙʔωϯτͷಈ࡞֬ೝͷ
 ࢓ํΛ͍֮͑ͯΔ͸͕ͣͳ͍ Өڹ͢ΔίϯϙʔωϯτΛ͢΂ͯ֬ೝ͢Δ
 ͱ͖ͷΑ͋͘Δ໰୊఺ɿ ͋Εʁ͜ͷڍಈͰ͋ͬͯΔΜ͚ͩͬʜʁ ਖ਼͍͠Ҿ਺ͬͯͲ͏΍ͬͯ࡞ΔΜ͚ͩͬʁ
94. ಈ࡞֬ೝΛࣗಈԽ͠Α͏ ͦ͏͍͏ͱ͖͸
95. ίʔυͷಈ࡞֬ೝΛࣗಈԽ͢Δར఺ɿ w ܁Γฦ࣮͠ߦ͢Δίετ͕௿͍ͷͰ
 ࣌ؒ͸ͦ͜·Ͱ͔͔Βͳ͘ͳΔ
    w ૢ࡞֬ೝͷखॱ͕ίʔυͱͯ͠
 ࢒͞ΕΔͷͰ΍ΓํΛ๨Εͳ͍
96. ಈ࡞֬ೝΛࣗಈԽ͢Δͭͷํ๏ɿ ಈ࡞֬ೝͷͨΊͷඪ४ϥΠϒϥϦΛ
 ࢖ͬͯಈ࡞֬ೝ "QQ%FMFHBUF
    ܦ༝Ͱಈ࡞֬ೝ " #
97. ϊ΢ϋ΢
    ʵ" "QQ%FMFHBUF
    Ͱಈ࡞֬ೝ  ಈ࡞֬ೝͷίʔυΛॻ͘
     ৽͍͠
    4DIFNF
    Λ࡞੒͢Δ
     "QQ%FMFHBUF
    Ͱ
    
    ͷ
 4DIFNF
    ͷͱ͖͚ͩ
    
    Λ
 ࣮ߦ͢ΔΑ͏ʹ͢Δ ͨͩܽ͠఺͕ଟ͍ͷͰɺൃදͰ͸ׂѪ͠·͢
98. #if DEBUG import Foundation let debugTargets: [String: () -> Void] = [ "intToString": { let string = Example.intToString(42) guard string == "48" else { fatalError("intToString(42) ͕ \"42\" Λฦ͞ͳ͔ͬͨ") } }, ] func debugAll() { let targets = Array(debugTargets.values) DispatchQueue.concurrentPerform(iterations: targets.count) { index in targets[index]() } } #endif ಈ࡞֬ೝͷίʔυΛ·ͱΊΔ
    %JDUJPOBSZ
    Λ࡞੒͢Δ ൃ ද Ͱ ͸ ׂ Ѫ
99. #if DEBUG import Foundation let debugTargets: [String: () -> Void] = [ "intToString": { let string = Example.intToString(42) guard string == "42" else { fatalError("intToString(42) ͕ \"42\" Λฦ͞ͳ͔ͬͨ") } }, ] func debugAll() { let targets = Array(debugTargets.values) DispatchQueue.concurrentPerform(iterations: targets.count) { index in targets[index]() } } #endif ಈ࡞֬ೝͷίʔυΛॻ͘ ͜ͷίʔυ͸ɺintToString(42)
    ͷ
 ݁Ռ͕
    "42"
    ʹͳΔ͜ͱΛ֬ೝ͍ͯ͠Δ ൃ ද Ͱ ͸ ׂ Ѫ
100. #if DEBUG import Foundation let debugTargets: [String: () -> Void] = [ "intToString": { let string = Example.intToString(42) guard string == "48" else { fatalError("intToString(42) ͕ \"42\" Λฦ͞ͳ͔ͬͨ") } }, ] func debugAll() { let targets = Array(debugTargets.values) DispatchQueue.concurrentPerform(iterations: targets.count) { index in targets[index]() } } #endif ͢΂ͯͷಈ࡞֬ೝίʔυΛ࣮ߦ͢Δ
 EFCVH"MM
     ؔ਺Λ࣮૷͢Δ ൃ ද Ͱ ͸ ׂ Ѫ
101. ৽͍͠
     4DIFNF
     Λ࡞੒͢Δ΍Γํ 9DPEF ᶃ
     4DIFNF
     Λ࡞੒ ᶄ
     ద౰ͳ໊લΛ͚ͭΔ ൃ ද Ͱ ͸ ׂ Ѫ
102. ৽͍͠
     4DIFNF
     Λ࡞੒͢Δ΍Γํ ᶃ
     ϏϧυઃఆΛ։͘ ᶆ
     ద౰ͳ໊લΛ͚ͭΔ "QQ$PEF ᶅ
     "QQMJDBUJPO
     Λࢦఆ ᶄ
     4DIFNF
     Λ࡞੒ ൃ ද Ͱ ͸ ׂ Ѫ
103. ؀ڥม਺Λ௥Ճ͢Δ΍Γํ 9DPEF ᶃ
     4DIFNF
     Λฤू ᶄ
     ؀ڥม਺Λ௥Ճ "QQ$PEF ᶃ
     ؀ڥม਺Λฤू ᶄ
     ؀ڥม਺Λ௥Ճ ൃ ද Ͱ ͸ ׂ Ѫ
104. ؀ڥઃఆͷ஋Λઃఆ͢Δ΍Γํ 9DPEF ᶃ
     AUTO_DEBUG=1
     Λઃఆ "QQ$PEF ᶃ
     AUTO_DEBUG=1
     Λઃఆ ൃ ද Ͱ ͸ ׂ Ѫ
105. @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var window: UIWindow? func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: #if DEBUG if ProcessInfo.processInfo.environment["AUTO_DEBUG"] == "1" { debugAll() return true } #endif // ... return true } } "QQ%FMFHBUF
     ʹ؀ڥม਺ͷ෼ذΛ௥Ճ AUTO_DEBUG=1
     ͷͱ͖ͷΈɺ
 ઌ΄Ͳͷ
     debugAll
     Λ࣮ߦ ൃ ද Ͱ ͸ ׂ Ѫ
106. ΞϓϦΛ࣮ߦͯ͠ΈΑ͏ ͦΕͰ͸ ൃ ද Ͱ ͸ ׂ Ѫ
107. ΞϓϦΛ࣮ߦ͢Δͱಈ࡞֬ೝͰ͖Δ 9DPEF Ͳ͜Ͱࣦഊ͔ͨ͠Θ͔Δ ࣦഊͨ͠ཧ༝͕Θ͔Δ ൃ ද Ͱ ͸ ׂ Ѫ
108. ΞϓϦΛ࣮ߦ͢Δͱಈ࡞֬ೝͰ͖Δ "QQ$PEF Ͳ͜Ͱࣦഊ͔ͨ͠Θ͔Δ ࣦഊͨ͠ཧ༝͕Θ͔Δ ൃ ද Ͱ ͸ ׂ Ѫ
109. 5*14 ࢦఆͨ͠ίʔυ͚ͩಈ࡞֬ೝ ݸผͷಈ࡞֬ೝ͚ͩΛ࣮ߦ͍ͨ͜͠ͱ͸Α͋͘Δ
     ͦ͏͍͏৔߹͸ɺ--%#
     ͔Β໊લΛࢦఆͯ͠ݸผʹ
 ಈ࡞֬ೝΛ࣮ߦͰ͖Δ ಈ࡞֬ೝͷίʔυΛ഑ྻͰ͸ͳ͘
     %JDUJPOBSZ
     ʹ
 ֨ೲͨ͠ͷ͸͜Ε͕໨త (lldb) po debugTargets["intToString"]!() Fatal error: intToString(42) ͕ "42" Λฦ͞ͳ͔ͬͨ: ൃ ද Ͱ ͸ ׂ Ѫ
110. "QQ%FMFHBUF
     ͷํ๏ͷ໰୊఺ɿ w ෳ਺ͷಈ࡞֬ೝ͕ࣦഊ͢Δͱɺઌʹ
 ࣮ߦ͞Εͨํ͔͠೺ѲͰ͖ͳ͍
     w fatalError
     Λ
     print
     ΁ม͑Ε͹
 ෳ਺ͷࣦഊΛ೺ѲͰ͖ΔΑ͏ʹ
 ͳΔ͕ɺࠓ౓͸ࣦഊͨ͠ࡍʹ
     *%&
     ͕
 δϟϯϓͯ͘͠Εͳ͍ͷͰෆศ ͜ΕΒͷ໰୊͸ඪ४ϥΠϒϥϦͰղܾͰ͖·͢
111. ϊ΢ϋ΢
     ʵ# ඪ४ϥΠϒϥϦͰಈ࡞֬ೝ  ৽͍͠
     5BSHFU
     Λ࡞੒͢Δ
      ಈ࡞֬ೝͷίʔυΛॻ͘
      ಈ࡞֬ೝͷίʔυͷ
     5BSHFU
     Λ
 ઌ΄Ͳ࡞੒ͨ͠΋ͷʹ͢Δ J04
     ʹ͸ಈ࡞֬ೝ༻ͷඪ४ϥΠϒϥϦʮ9$5FTUʯ͕
 ༻ҙ͞Ε͍ͯΔ
     ͜ΕͰ
     "QQ%FMFHBUF
     ʹ͋ͬͨෳ਺ࣦഊͨ͠ͱ͖ͷ
 ໰୊ΛղܾͰ͖Δ͕ɺ࣍ͷΑ͏ͳϏϧυઃఆ͕ඞཁɿ
112. Ϗϧυઃఆͷ΍Γํ 9DPEF ᶃ
     5BSHFU
     Λ৽ن࡞੒ ᶅ
     ඞཁ߲໨Λهೖ ᶄ
     J04
     6OJU
     5FTUJOH
     #VOEMF
     Λબ୒ ൃ ද Ͱ ͸ ׂ Ѫ
113. ᶃ
     1SPKFDU
     4FUUJOHT
     Λ։͘ ᶄ
     5BSHFU
     Λ௥Ճ ᶅ
     J04
     6OJU
     5FTUJOH
     #VOEMF
     Λબ୒ Ϗϧυઃఆͷ΍Γํ "QQ$PEF ൃ ද Ͱ ͸ ׂ Ѫ
114. Ϗϧυઃఆͷ΍Γํ 9DPEF ᶆ
     5FTUJOH
     Λ࣮ߦ ᶇ
     5FTU
     4VDDFFEFE
     ͕දࣔ͞ΕΕ͹
     0, ൃ ද Ͱ ͸ ׂ Ѫ
115. ᶇ
     ϏϧυઃఆΛฤू ᶈ
     4DIFNF
     Λ௥Ճ ᶆ
     ඞཁ߲໨Λهೖ Ϗϧυઃఆͷ΍Γํ "QQ$PEF ൃ ද Ͱ ͸ ׂ Ѫ
116. ᶌ
     "MM
     5FTUT
     1BTTFE
     ͱදࣔ͞ΕΕ͹
     0, ᶉ
     9$5FTU
     Λબ୒ ᶊ
     ద౰ͳ໊લΛ͚ͭΔ ᶋ
     ࡞੒ͨ͠
     4DIFNF
     Λ࣮ߦ Ϗϧυઃఆͷ΍Γํ "QQ$PEF ൃ ද Ͱ ͸ ׂ Ѫ
117. ͜ΕͰಈ࡞֬ೝ༻ͷ
     5BSHFU
     Λ࡞੒Ͱ͖ͨ
118. import XCTest @testable import IOSDC2018Debugging class ExampleTest: XCTestCase { func testIntToString() { let str = Example.intToString(42) XCTAssertEqual(str, "42") } } ඪ४ϥΠϒϥϦΛ࢖͏৔߹ͷ
 ಈ࡞֬ೝͷίʔυ͸͜͏ͳΔ
119. import XCTest @testable import IOSDC2018Debugging class ExampleTest: XCTestCase { func testIntToString() { let str = Example.intToString(42) XCTAssertEqual(str, "42") } } ಈ࡞֬ೝͷίʔυͷ
     UBSHFU
     ͸
 ઌ΄Ͳ࡞੒ͨ͠
     UBSHFU
     ʹ͢Δ
120. 9DPEF ᶃ
     ࡞੒ͨ͠
     5BSHFU
     Λબ୒ "QQ$PEF ൃ ද Ͱ ͸ ׂ Ѫ ᶃ
     .BOBHF
     5BSHFUT
     Λબ୒ ᶄ
     ࡞੒ͨ͠
     5BSHFU
     Λબ୒ 5BSHFU
     ͷࢦఆͷ΍Γํ
121. import XCTest @testable import IOSDC2018Debugging class ExampleTest: XCTestCase { func testIntToString() { let str = Example.intToString(42) XCTAssertEqual(str, "42") } } ඪ४ϥΠϒϥϦ
     9$5FTU
     ΛಡΈࠐΉ ΞϓϦͷίʔυ͸ผͷ
     5BSHFU
     ͳͷͰ
 ࢖͏ࡍʹ͸
     import
     ͕ඞཁ
     ී௨ʹ
     import
     ͢Δͱ
     public
     ͷ΋ͷ͔͠
 ݟ͑ͳ͘ͳͬͯ͠·͏͕ɺ
     @testable
     Λͭ ͚Δͱ
     internal
     ·Ͱݟ͑ΔΑ͏ʹͳΔ
122. import XCTest @testable import IOSDC2018Debugging class ExampleTest: XCTestCase { func testIntToString() { let str = Example.intToString(42) XCTAssertEqual(str, "42") } } ಈ࡞֬ೝͷίʔυ͸
     XCTestCase
     ͱ͍͏
 ΫϥεͰάϧʔϐϯάͰ͖ΔΑ͏ʹͳ͍ͬͯΔ
     ಈ࡞֬ೝͷίʔυΛॻ͘৔߹ʹ͸ɺ֬ೝର৅ͷ
 Ϋϥε΍ؔ਺୯ҐͰ
     XCTestCase
     Λ෼͚Δͱ
 ಈ࡞֬ೝͷ݁Ռ͕Θ͔Γ΍͘͢ͳΔ
123. import XCTest @testable import IOSDC2018Debugging class ExampleTest: XCTestCase { func testIntToString() { let str = Example.intToString(42) XCTAssertEqual(str, "42") } } ࣮ࡍͷಈ࡞֬ೝͷίʔυ͸ɺΠϯελϯεϝιουͱ࣮ͯ͠૷͢Δ
     ͜ͷϝιουͷ໊લ͸ઌ಄ʹ
     test
     ͱ͚ͭͳ͍ͱ࣮ߦ͞Εͳ͍ͷͰ஫ҙ
124. import XCTest @testable import IOSDC2018Debugging class ExampleTest: XCTestCase { func testIntToString() { let str = Example.intToString(42) XCTAssertEqual(str, "42") } } ಈ࡞֬ೝͷର৅Λ࣮ࡍʹ࣮ߦ͢Δ
125. import XCTest @testable import IOSDC2018Debugging class ExampleTest: XCTestCase { func testIntToString() { let str = Example.intToString(42) XCTAssertEqual(str, "42") } } ਖ਼ޡ൑ఆ͸
     XCTAssertEqual
     ͳͲͷؔ਺Λ࢖͏
     ͜ͷؔ਺͸ɺͭͷҾ਺͕౳͘͠ͳ͍ͱɺ
 ಈ࡞֬ೝΛࣦഊͱΈͳ͢Α͏ʹͳ͍ͬͯΔ
126. ඪ४ϥΠϒϥϦΛ࢖ͬͨ݁Ռը໘ 9DPEF Ͳ͜Ͱࣦഊ͔ͨ͠Θ͔Δ
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 ҰཡͰݟΒΕΔ
127. "QQ$PEF Ͳ͜Ͱࣦഊ͔ͨ͠Θ͔Δ ෳ਺ͷࣦഊ͕
 ҰཡͰݟΒΕΔ ࣦഊͨ͠ཧ༝΋Θ͔Δ ඪ४ϥΠϒϥϦΛ࢖ͬͨ݁Ռը໘ ൃ ද Ͱ ͸ ׂ Ѫ
128. ඪ४ϥΠϒϥϦͷํ๏ͷ໰୊఺ɿ w Ϗϧυઃఆ͕յΕ͍ͯΔͱɺ௚͢·Ͱ
 ಈ࡞֬ೝͷίʔυΛ࣮ߦͰ͖ͳ͍
     w ઃఆΛ͙͢ʹ͸௚ͤͳͦ͞͏ͳΒɺ
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129. ϊ΢ϋ΢
     
     ͷ·ͱΊ ಈ࡞֬ೝΛࣗಈԽ͢Δͭͷํ๏ɿ ಈ࡞֬ೝͷͨΊͷඪ४ϥΠϒϥϦΛ
 ࢖ͬͯಈ࡞֬ೝ "QQ%FMFHBUF
     ܦ༝Ͱಈ࡞֬ೝ " # #
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130. ؒҧ͍ʹ͍͘ઃܭʹ͢Δ ϊ΢ϋ΢
      ൃ ද Ͱ ͸ ׂ Ѫ Φεεϝ౓
     ʜ
131. σόοάΛͦ΋ͦ΋͍Βͳ͍Α͏ʹͰ͖ΔͳΒ
 ͦΕ͕Ұ൪࣌ؒΛ୹ॖͰ͖Δ
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 ݪҼಛఆ͕େมͳ໘౗ͳόάΛੜΈग़͠΍͍͢
     ͜͏͍͏࣌͸ɺࢥ͍੾ͬͯݸผͷ
 TUSVDU
     ΁෼͚ͯ͠·͓͏ ൃ ද Ͱ ͸ ׂ Ѫ
133. *%
     Λݸผͷ
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     ΁෼͚ͨྫ // BAD: औΓҧ͑ͯ΋ؾ͖ͮͮΒ͍ let userID: Int = 1234 let productID: Int = 5678 // GOOD: औΓҧ͑ΔͱίϯύΠϧΤϥʔʹͳΔ let userID = UserID(number: 1234) let productID = ProductID(number: 5678) ൃ ද Ͱ ͸ ׂ Ѫ
134. ϊ΢ϋ΢
     ʵ# ίʔυΛࣗಈੜ੒͢Δ Α͋͘ΔόάͷݪҼʹ
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     ͷ
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     ͜ΕΒͷίʔυΛࣗಈੜ੒ͯ͘͠ΕΔπʔϧ͕
 ͍͔ͭ͋͘ΔͷͰɺͲΕ͔Λ࢖͑͹͜ͷछͷόάΛ
 ࣄલʹ༧๷Ͱ͖Δɿ
     w HJUIVCDPNNBDDBJO3TXJGU
     w HJUIVCDPN4XJGU(FO4XJGU(FO ൃ ද Ͱ ͸ ׂ Ѫ
135. ϊ΢ϋ΢
     
     ͷ·ͱΊ ͜ͷछͷςΫχοΫ͸ແ਺ʹ͋ΔͨΊɺ
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 4USJOH
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136. վળલͱͷൺֱ ײ͍ͯͩ͘͡͞
137. ్த·Ͱ͏·͍͘͘ͷʹ
 కΊ੾Γʹؒʹ߹Θͳ͍
138. ෆ҆ۦಈνΣοΫͰख໭Γ͕
 গͳ͘ͳͬͨͷͰɺ༧ఆ௨Γʹ
 ਐΉΑ͏ʹͳͬͨʂ
139. కΊ੾Γ͕ഭͬͯ͘Δͱ
 ಈ࡞֬ೝΛ͖͠Εͳͯ͘
 େৎ෉ͩͱ৴͡Δ͔͠ͳ͍
140. ಈ࡞֬ೝͷࣗಈԽͰɺӨڹൣғͷ
 ಈ࡞֬ೝ·ͰͰ͖ΔΑ͏ʹͳͬͨʂ
141. 4JNVMBUPS
     ΆͪΆͪʹ
 ͕͔͔࣌ؒͬͯΠϥΠϥ͢Δ
142. ಈ࡞֬ೝͷࣗಈԽͰ
 ΆͪΆ͍ͪΒͳ͘ͳͬͨʂ
143. ͜͏͍͏खॱ·Ͱ͍࣋ͬͯͬͨ݁Ռɺ
 ։ൃ଎౓͕
     
     
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 ,VOJXBL ࢲͷࣄྫͰ͸
144. ࣮ࡍ͸͜Μͳʹ
 ͢ΜͳΓ͍͔ͳ͍ Τ ο ʂ ʁ
145. ࣗಈԽͷ୩໰୊ ཱͪ͸͔ͩΔ
146. ϊ΢ϋ΢
     
     d
     
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     ͜ͷ͋ͱྫΛग़͕͢ɺࣗಈͰͷ
 ಈ࡞֬ೝ͸༧૝֎ʹͰ͖ͳ͍΋ͷ ࣮͸ʜ
147. import UIKit class ExampleViewController: UIViewController { @IBOutlet weak var label: UILabel! @IBAction func buttonTapped(_ sender: Any) { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { dump(error) let alertViewController = UIAlertController( title: "Τϥʔ͕ൃੜ͠·ͨ͠", message: nil, preferredStyle: .alert ) alertViewController.addAction(UIAlertAction(title: "OK", style: .default)) self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } ಈ࡞֬ೝͷࣗಈԽ͕͔ͳΓ೉͍͠ྫ
148. ͜Μͳ୯७ͳ
     7JFX$POUSPMMFS
     Ͱ΋ɺ
     ಈ࡞֬ೝΛࣗಈԽ͢ΔͨΊͷ஌͕ࣝ
 ͔ͳΓଟ͍ͱ͍͏͜ͱΛײ͡Ͱ͍ͩ͘͞
149. import UIKit class ExampleViewController: UIViewController { @IBOutlet weak var label: UILabel! @IBAction func buttonTapped(_ sender: Any) { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { dump(error) let alertViewController = UIAlertController( title: "Τϥʔ͕ൃੜ͠·ͨ͠", message: nil, preferredStyle: .alert ) alertViewController.addAction(UIAlertAction(title: "OK", style: .default)) self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } Ϙλϯ͕λοϓ͞ΕͨΒ
 αʔόͱ௨৴Λ࢝ΊΔ ൃ ද Ͱ ͸ ׂ Ѫ
150. import UIKit class ExampleViewController: UIViewController { @IBOutlet weak var label: UILabel! @IBAction func buttonTapped(_ sender: Any) { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { dump(error) let alertViewController = UIAlertController( title: "Τϥʔ͕ൃੜ͠·ͨ͠", message: nil, preferredStyle: .alert ) alertViewController.addAction(UIAlertAction(title: "OK", style: .default)) self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } αʔόʔͱͷ௨৴͕
 Τϥʔʹͳͬͨ৔߹͸
 6*"MFSU$POUSPMMFS
     Ͱදࣔ ൃ ද Ͱ ͸ ׂ Ѫ
151. import UIKit class ExampleViewController: UIViewController { @IBOutlet weak var label: UILabel! @IBAction func buttonTapped(_ sender: Any) { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { dump(error) let alertViewController = UIAlertController( title: "Τϥʔ͕ൃੜ͠·ͨ͠", message: nil, preferredStyle: .alert ) alertViewController.addAction(UIAlertAction(title: "OK", style: .default)) self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } αʔόʔ͔ΒϢʔβʔ໊͕
 ਖ਼ৗʹฦ͖ͬͯͨΒදࣔ ൃ ද Ͱ ͸ ׂ Ѫ
152. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let viewController = UIStoryboard( name: "ExampleViewController", bundle: Bundle(for: ExampleViewController.self) ).instantiateInitialViewController() as! ExampleViewController let dummySender = NSObject() viewController.buttonTapped(dummySender) XCTAssertTrue(viewController.label?.text?.contains("Kuniwak")) } } ͱΓ͋͑ͣಈ࡞֬ೝͷίʔυΛॻ͍ͯΈͨ ൃ ද Ͱ ͸ ׂ Ѫ
153. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let viewController = UIStoryboard( name: "ExampleViewController", bundle: Bundle(for: ExampleViewController.self) ).instantiateInitialViewController() as! ExampleViewController let dummySender = NSObject() viewController.buttonTapped(dummySender) XCTAssertTrue(viewController.label!.text!.contains("Kuniwak")) } } 4UPSZCPBSE
     ͔Β
     7JFX$POUSPMMFS
     ΛॳظԽ ൃ ද Ͱ ͸ ׂ Ѫ
154. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let viewController = UIStoryboard( name: "ExampleViewController", bundle: Bundle(for: ExampleViewController.self) ).instantiateInitialViewController() as! ExampleViewController let dummySender = NSObject() viewController.buttonTapped(dummySender) XCTAssertTrue(viewController.label!.text!.contains("Kuniwak")) } } @IBAction
     Λ࣮ߦͯ͠ϘλϯλοϓΛ࠶ݱ ൃ ද Ͱ ͸ ׂ Ѫ
155. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let viewController = UIStoryboard( name: "ExampleViewController", bundle: Bundle(for: ExampleViewController.self) ).instantiateInitialViewController() as! ExampleViewController let dummySender = NSObject() viewController.buttonTapped(dummySender) XCTAssertTrue(viewController.label!.text!.contains("Kuniwak")) } } UILabel
     ͕Ϣʔβʔ໊ʹมΘͬͨ͜ͱΛ֬ೝ ൃ ද Ͱ ͸ ׂ Ѫ
156. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let viewController = UIStoryboard( name: "ExampleViewController", bundle: Bundle(for: ExampleViewController.self) ).instantiateInitialViewController() as! ExampleViewController let dummySender = NSObject() viewController.buttonTapped(dummySender) XCTAssertTrue(viewController.label!.text!.contains("Kuniwak")) } } viewController.label
     ͕
     nil ൃ ද Ͱ ͸ ׂ Ѫ
157. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let viewController = UIStoryboard( name: "ExampleViewController", bundle: Bundle(for: ExampleViewController.self) ).instantiateInitialViewController() as! ExampleViewController let dummySender = NSObject() viewController.buttonTapped(dummySender) XCTAssertTrue(viewController.label!.text!.contains("Kuniwak")) } } viewDidLoad
     Λ଴ͬͯͳ͍ͷͰɺ
 ·ͩ
     UILabel
     ͕ଘࡏ͍ͯ͠ͳ͍ ݪҼɿ ൃ ද Ͱ ͸ ׂ Ѫ
158. class ExampleViewController: UIViewController { private var actions: ExampleViewsAction? @IBOutlet weak var label: UILabel! override func viewDidLoad() { super.viewDidLoad() self.actions = ExampleViewsAction( label: self.label ) } @IBAction func buttonTapped(_ sender: Any) { self.actions?.buttonDidTapped() } } मਖ਼ޙͷ
     7JFX$POUSPMMFS ൃ ද Ͱ ͸ ׂ Ѫ
159. class ExampleViewController: UIViewController { private var actions: ExampleViewsAction? @IBOutlet weak var label: UILabel! override func viewDidLoad() { super.viewDidLoad() self.actions = ExampleViewsAction( label: self.label ) } @IBAction func buttonTapped(_ sender: Any) { self.actions?.buttonDidTapped() } } viewDidLoad
     Ҏ߱ͷॲཧΛผͷΫϥεʹ੾Γग़͢
     ʢͳͥ͜͏͢Δͷ͔͸΋͏গ͠ޙͰΘ͔Γ·͢ʣ ॏཁͳͷ͸ɺviewDidLoad
     ͰॳظԽ͞Εͨ
 UILabel
     Λ੾Γग़ͨ͠Ϋϥεʹ౉͓ͯ͘͜͠ͱ ൃ ද Ͱ ͸ ׂ Ѫ
160. class ExampleViewController: UIViewController { private var actions: ExampleViewsAction? @IBOutlet weak var label: UILabel! override func viewDidLoad() { super.viewDidLoad() self.actions = ExampleViewsAction( label: self.label ) } @IBAction func buttonTapped(_ sender: Any) { self.actions?.buttonDidTapped() } } Ϙλϯͷλοϓॲཧ͸
 @IBAction
     Λԣྲྀ͢͠Ε͹
     0, ൃ ද Ͱ ͸ ׂ Ѫ
161. import UIKit class ExampleViewsAction { private let label: UILabel init(label: UILabel) { self.label = label } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } 7JFX$POUSPMMFS
     ͔Β෼཭͞Εͨίʔυ ൃ ද Ͱ ͸ ׂ Ѫ
162. import UIKit class ExampleViewsAction { private let label: UILabel init(label: UILabel) { self.label = label } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } ஫ɿ͜ͷ໊લ͸ద౰ͳͷͰɺ࣮ࡍ͸֤ʑͷ
 ΞʔΩςΫνϟʹԊ໋໊ͬͨʹ͍ͯͩ͘͠͞ ൃ ද Ͱ ͸ ׂ Ѫ
163. import UIKit class ExampleViewsAction { private let label: UILabel init(label: UILabel) { self.label = label } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } 7JFX$POUSPMMFS
     ͔Β౉͞Εͨ
     UILabel ൃ ද Ͱ ͸ ׂ Ѫ
164. import UIKit class ExampleViewsAction { private let label: UILabel init(label: UILabel) { self.label = label } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } 7JFX$POUSPMMFS
     ͷॲཧΛͦͷ··Ҡಈ ൃ ද Ͱ ͸ ׂ Ѫ
165. import UIKit class ExampleViewsAction { private let label: UILabel init(label: UILabel) { self.label = label } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } self.present
     ͕ଘࡏ͠ͳ͍
     ʢ͜Ε͸গ͠ޙͰमਖ਼͢Δʣ ൃ ද Ͱ ͸ ׂ Ѫ
166. मਖ਼ޙͷಈ࡞֬ೝίʔυ import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let label = UILabel() let actions = ExampleViewsAction(label: label) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } ൃ ද Ͱ ͸ ׂ Ѫ
167. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let label = UILabel() let actions = ExampleViewsAction(label: label) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } 7JFX$POUSPMMFS
     Ͱ͸ͳ͘ɺ
 ੾Γग़ͨ͠ΫϥεͷํΛ
 ಈ࡞֬ೝ͢ΔΑ͏ʹ͢Δ ൃ ද Ͱ ͸ ׂ Ѫ
168. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let label = UILabel() let actions = ExampleViewsAction(label: label) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } 7JFX$POUSPMMFS
     ͔Β
     UILabel
     ͕౉͞ΕΔͷΛ࠶ݱ ൃ ද Ͱ ͸ ׂ Ѫ
169. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let label = UILabel() let actions = ExampleViewsAction(label: label) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } @IBAction
     ͰλοϓΛ࠶ݱ͢Δ෦෼͸
     ੾Γग़ͨ͠Ϋϥεͷํͷϝιουͷ࣮ߦͰ୅ସ ൃ ද Ͱ ͸ ׂ Ѫ
170. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let label = UILabel() let actions = ExampleViewsAction(label: label) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } ઌ΄Ͳ౉ͨ͠
     UILabel
     ͷ಺༰͕
 มΘ͍ͬͯΔ͔͔֬ΊΒΕ͍ͯΔ
     ͜͏͢Δ͜ͱͰ
     UILabel
     ͕·ͩ
 ଘࡏ͠ͳ͍໰୊ΛղܾͰ͖Δ ൃ ද Ͱ ͸ ׂ Ѫ
171. import UIKit class ExampleViewsAction { private let label: UILabel init(label: UILabel) { self.label = label } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } self.present
     ͕ଘࡏ͠ͳ͍ͷͰ
 ·ͩϏϧυ͕௨Βͳ͍ 7JFX$POUSPMMFS
     ͔Β෼཭͞Εͨίʔυ ൃ ද Ͱ ͸ ׂ Ѫ
172. import UIKit class ModalPresenter { private weak var viewController: UIViewController? init(willPresentOn viewController: UIViewController) { self.viewController = viewController } func present(_ viewController: UIViewController, animated: Bool) { self.viewController?.present(viewController, animated: animated) } } self.present
     ͕ଘࡏ͠ͳ͍໰୊ͷղܾ ൃ ද Ͱ ͸ ׂ Ѫ
173. import UIKit class ModalPresenter { private weak var viewController: UIViewController? init(willPresentOn viewController: UIViewController) { self.viewController = viewController } func present(_ viewController: UIViewController, animated: Bool) { self.viewController?.present(viewController, animated: animated) } } 7JFX$POUSPMMFS
     ͷ
     present
     Λ
 ผͷΫϥεͰ΋ୟ͚ΔΑ͏ʹ͢ΔΫϥε ൃ ද Ͱ ͸ ׂ Ѫ
174. import UIKit class ModalPresenter { private weak var viewController: UIViewController? init(willPresentOn viewController: UIViewController) { self.viewController = viewController } func present(_ viewController: UIViewController, animated: Bool) { self.viewController?.present(viewController, animated: animated) } } present
     ʹ࢖͏
     7JFX$POUSPMMFS
     Λ಺෦ʹอ࣋͢Δ
 ʢϝϞϦϦʔΫΛආ͚ΔͨΊʹ
     weak
     ʹ͢Δʣ ൃ ද Ͱ ͸ ׂ Ѫ
175. import UIKit class ModalPresenter { private weak var viewController: UIViewController? init(willPresentOn viewController: UIViewController) { self.viewController = viewController } func present(_ viewController: UIViewController, animated: Bool) { self.viewController?.present(viewController, animated: animated) } } ͜ͷΫϥεͷ
     present
     Λ࣮ߦ͢Δͱɺอ͍࣋ͯͨ͠
 7JFX$POUSPMMFS
     ͷ
     present
     ͕࣮ߦ͞ΕΔ ൃ ද Ͱ ͸ ׂ Ѫ
176. import UIKit class ExampleViewsAction { private let label: UILabel private let modalPresenter: ModalPresenter init(label: UILabel, modalPresenter: ModalPresenter) { self.label = label self.modalPresenter = modalPresenter } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.modalPresenter.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } मਖ਼ޙͷ
     7JFX$POUSPMMFS
     ͔Β෼཭͞Εͨίʔυ ൃ ද Ͱ ͸ ׂ Ѫ
177. import UIKit class ExampleViewsAction { private let label: UILabel private let modalPresenter: ModalPresenter init(label: UILabel, modalPresenter: ModalPresenter) { self.label = label self.modalPresenter = modalPresenter } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.modalPresenter.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } 7JFX$POUSPMMFS
     ͔Β
     UILabel
     ͱҰॹʹ
 ઌ΄Ͳͷ
     ModalPresenter
     Λड͚औΔ ൃ ද Ͱ ͸ ׂ Ѫ
178. import UIKit class ExampleViewsAction { private let label: UILabel private let modalPresenter: ModalPresenter init(label: UILabel, modalPresenter: ModalPresenter) { self.label = label self.modalPresenter = modalPresenter } func buttonDidTapped() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, error) in guard let `self` = self else { return } if let error = error { // লུ self.modalPresenter.present(alertViewController, animated: true) return } self.label.text = "Hello, \(user!.name)!" } } } self.present
     Λ
     ModalPresenter
     ͷ
 present
     ͷݺͼग़͠΁ม͑Δ ൃ ද Ͱ ͸ ׂ Ѫ
179. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter( willPresentOn: UIViewController() ) let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter ) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } मਖ਼ޙͷಈ࡞֬ೝίʔυ ൃ ද Ͱ ͸ ׂ Ѫ
180. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter( willPresentOn: UIViewController() ) let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter ) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } Ϗϧυ͕௨Γ͑͢͞Ε͹͍͍ͷͰɺ
 ద౰ͳ
     ModalPresenter
     Λ࡞੒͢Δ ൃ ද Ͱ ͸ ׂ Ѫ
181. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter( willPresentOn: UIViewController() ) let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter ) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } 7JFX$POUSPMMFS
     ͔Β
 ੾Γग़ͨ͠Ϋϥε΁౉͢ ൃ ද Ͱ ͸ ׂ Ѫ
182. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter( willPresentOn: UIViewController() ) let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter ) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } Ϗϧυ͕௨ΔΑ͏ʹͳͬͨ ൃ ද Ͱ ͸ ׂ Ѫ
183. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter( willPresentOn: UIViewController() ) let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter ) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } XCTAssertEqual failed: ("nil") is
 not equal to ("Optional(true)") ൃ ද Ͱ ͸ ׂ Ѫ
184. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter( willPresentOn: UIViewController() ) let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter ) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } ͜ͷ࣌ͷ
     label.text
     ΛݟΔͱ
 ॳظ஋ͷ··ʹͳ͍ͬͯͨ
     Ϣʔβʔ໊͕·ͩදࣔ͞Ε͍ͯͳ͍Α͏ͩ ൃ ද Ͱ ͸ ׂ Ѫ
185. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter( willPresentOn: UIViewController() ) let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter ) actions.buttonDidTapped() XCTAssertTrue(label.text?.contains("Kuniwak")) } } ݪҼɿ αʔόʔ͔Βͷฦ৴͕·ͩ
 ฦ͖͍ͬͯͯͳ͍ͷͰɺ
 UILabel
     Λߋ৽Ͱ͖͍ͯͳ͍ ൃ ද Ͱ ͸ ׂ Ѫ
186. Ұൠతʹɺ"1*
     ͕ฦ͖ͬͯͨޙͷ
     7JFX
     ͷ
 ߋ৽ͷ׬ྃΛݕ஌͢Δͷ͸೉͍͠
     ྫ͑͹ɺ࣍ͷίʔυͰ
     7JFX
     ͷߋ৽͕
 ׬ྃ͢Δͷ͸"
     ͱ
     #
     ͷͲͪΒʁ if isAdminMode { callAdminAPI { [weak self] (admin, error) in guard let `self` = self else { return } self.label.color = admin != nil ? .red : .blue } } callUserAPI { [weak self] (user, error) in guard let `self` = self else { return } self.label.text = user.name } " # ൃ ද Ͱ ͸ ׂ Ѫ
187. ਖ਼ղ͸ɺʮ"
     ͱ
     #
     ͷͲͪΒ΋͋Γ͑Δʯ
     
     ͭͷ
     "1*
     ͷฦͬͯ͘ΔλΠϛϯάʹΑͬͯ
 "
     ͷͱ͖΋͋Ε͹
     #
     ͷͱ͖΋͋Δ if isAdminMode { callAdminAPI { [weak self] (admin, error) in guard let `self` = self else { return } self.label.color = admin != nil ? .red : .blue } } callUserAPI { [weak self] (user, error) in guard let `self` = self else { return } self.label.text = user.name } callAdminAPI
     ͕
 ޙʹ׬ྃ͢Ε͹
     " callUserAPI
     ͕
 ޙʹ׬ྃ͢Ε͹
     # ൃ ද Ͱ ͸ ׂ Ѫ
188. ݟͨ໨ͷߋ৽Λ
     "1*
     ͳͲͷཪଆͷࣄ৘͔Β੾Γ཭͢ͱղܾͰ͖Δ
      ݟͨ໨Λ࢘ΔίϯϙʔωϯτʹදࣔΛ
 ҰׅͰ൓ө͢Δ͚ͩͷϝιουΛੜ΍͢
      "1*
     ݺͼग़͠౳Ͱ͢΂ͯͷ৘ใ͕ἧͬͨΒ
 ϝιουΛݺͼग़͢ઃܭن໿ʹ͢Δ ͜͏͍͏ͱ͖͸ func apply(userName: String, isAdmin: Bool) { self.label.text = userName self.label.backgroundColor = isAdmin ? .red : .black } // API ͷ྆ํ͕ฦ͖͔ͬͯͯΒදࣔΛ൓ө͢Δ myView.apply(userName: "Kuniwak", isAdmin: false) ൃ ද Ͱ ͸ ׂ Ѫ
189. ݟͨ໨ͱཪଆͷ෼཭ͷͨΊͷ४උ protocol ExampleModelDelegate: class { func apply(state: ExampleModelState) } enum ExampleModelState: Equatable { case success(userName: String) case failure(error: ExampleModelUpdateError) } enum ExampleModelUpdateError: Error, Equatable { case unspecified(debugInfo: String) } ൃ ද Ͱ ͸ ׂ Ѫ
190. protocol ExampleModelDelegate: class { func apply(state: ExampleModelState) } enum ExampleModelState: Equatable { case success(userName: String) case failure(error: ExampleModelUpdateError) } enum ExampleModelUpdateError: Error, Equatable { case unspecified(debugInfo: String) } ཪଆͷ࢓ࣄͷ४උ͕੔ͬͨͱ͖ʹୟ͍ͯ΋Β͏
 ݟͨ໨ͷҰׅ൓өϝιου ൃ ද Ͱ ͸ ׂ Ѫ
191. protocol ExampleModelDelegate: class { func apply(state: ExampleModelState) } enum ExampleModelState: Equatable { case success(userName: String) case failure(error: ExampleModelUpdateError) } enum ExampleModelUpdateError: Error, Equatable { case unspecified(debugInfo: String) } ཪଆͷ࠷ऴతͳ݁Ռ͸ɺ
     w ੒ޭͯ͠
     userName
     
     w ࣦഊͯ͠
     error
     
     ͷͲͪΒ͔ͳͷͰɺFOVN
     Ͱදݱ ൃ ද Ͱ ͸ ׂ Ѫ
192. protocol ExampleModelDelegate: class { func apply(state: ExampleModelState) } enum ExampleModelState: Equatable { case success(userName: String) case failure(error: ExampleModelUpdateError) } enum ExampleModelUpdateError: Error, Equatable { case unspecified(debugInfo: String) } ཪଆͷ࢓ࣄͷ݁Ռ͕
     Equatable
     ͩͱ
 ޙͰศརʹͳΔͷͰɺEquatable
     ͳ
 ΤϥʔͷܕΛ࡞੒͓ͯ͘͠ ൃ ද Ͱ ͸ ׂ Ѫ
193. ཪଆͷ࢓ࣄΛ͓͜ͳ͏Ϋϥε class ExampleModel { weak var delegate: ExampleModelDelegate? func update() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, erro guard let `self` = self else { return } if let error = error { self.delegate?.apply(state: .failure(error: .unspecified(debugInfo: "\(error)") } else if let user = user { self.delegate?.apply(state: .success(userName: user.name)) } } } } ൃ ද Ͱ ͸ ׂ Ѫ
194. class ExampleModel { weak var delegate: ExampleModelDelegate? func update() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, erro guard let `self` = self else { return } if let error = error { self.delegate?.apply(state: .failure(error: .unspecified(debugInfo: "\(error)") } else if let user = user { self.delegate?.apply(state: .success(userName: user.name)) } } } } ஫ɿ͜ͷ໊લ͸ద౰ͳͷͰɺ࣮ࡍ͸֤ʑͷ
 ΞʔΩςΫνϟʹԊ໋໊ͬͨʹ͍ͯͩ͘͠͞ ൃ ද Ͱ ͸ ׂ Ѫ
195. class ExampleModel { weak var delegate: ExampleModelDelegate? func update() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, erro guard let `self` = self else { return } if let error = error { self.delegate?.apply(state: .failure(error: .unspecified(debugInfo: "\(error)") } else if let user = user { self.delegate?.apply(state: .success(userName: user.name)) } } } } ཪଆͷ४උ͕੔ͬͨΒ௨஌͢Δઌͷ
     %FMFHBUF
     ͜ͷྫͰ͸ɺ7JFX$POUSPMMFS
     ͔Β੾Γग़ͨ͠
 Ϋϥε͕͜ͷ
     %FMFHBUF
     Λ࣮૷͢Δ͜ͱʹͳΔ ൃ ද Ͱ ͸ ׂ Ѫ
196. class ExampleModel { weak var delegate: ExampleModelDelegate? func update() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, erro guard let `self` = self else { return } if let error = error { self.delegate?.apply(state: .failure(error: .unspecified(debugInfo: "\(error)") } else if let user = user { self.delegate?.apply(state: .success(userName: user.name)) } } } } "1*
     ͷݺͼग़͠͸ɺ͜ͷΫϥεͷ
 update
     ϝιουͷ࣮ߦͰ͸͡ΊΔ ൃ ද Ͱ ͸ ׂ Ѫ
197. class ExampleModel { weak var delegate: ExampleModelDelegate? func update() { APIClient.shared.get(type: User.self, url: URLs.getSomething) { [weak self] (user, erro guard let `self` = self else { return } if let error = error { self.delegate?.apply(state: .failure(error: .unspecified(debugInfo: "\(error)") } else if let user = user { self.delegate?.apply(state: .success(userName: user.name)) } } } } "1*
     ͷ݁Ռ͕ࣦഊͷΑ͏ͳΒ
     .failure Λ
     %FMFHBUF
     ΁௨஌͠ɺ੒ޭ͍ͯ͠ΔΑ͏
 ͳΒ .success
     Λ
     %FMFHBUF
     ΁௨஌͢Δ ൃ ද Ͱ ͸ ׂ Ѫ
198. 7JFX$POUSPMMFS
     ͔Β෼཭ͨ͠Ϋϥεͷ
     FYUFOTJPO extension ExampleViewsAction: ExampleModelDelegate { func apply(state: ExampleModelState) { switch state { case .failure(let error): dump(error) let alertViewController = UIAlertController( title: "Τϥʔ͕ൃੜ͠·ͨ͠", message: nil, preferredStyle: .alert ) alertViewController.addAction(UIAlertAction(title: "OK", style: .default)) self.modalPresenter.present(alertViewController, animated: true) case .success(let userName): self.label.text = "Hello, \(userName)!" } } } ൃ ද Ͱ ͸ ׂ Ѫ
199. extension ExampleViewsAction: ExampleModelDelegate { func apply(state: ExampleModelState) { switch state { case .failure(let error): dump(error) let alertViewController = UIAlertController( title: "Τϥʔ͕ൃੜ͠·ͨ͠", message: nil, preferredStyle: .alert ) alertViewController.addAction(UIAlertAction(title: "OK", style: .default)) self.modalPresenter.present(alertViewController, animated: true) case .success(let userName): self.label.text = "Hello, \(userName)!" } } } ઌ΄Ͳͷ
     %FMFHBUF
     Λ࣮૷ͤ͞Δ ൃ ද Ͱ ͸ ׂ Ѫ
200. extension ExampleViewsAction: ExampleModelDelegate { func apply(state: ExampleModelState) { switch state { case .failure(let error): dump(error) let alertViewController = UIAlertController( title: "Τϥʔ͕ൃੜ͠·ͨ͠", message: nil, preferredStyle: .alert ) alertViewController.addAction(UIAlertAction(title: "OK", style: .default)) self.modalPresenter.present(alertViewController, animated: true) case .success(let userName): self.label.text = "Hello, \(userName)!" } } } දࣔͷҰׅߋ৽ϝιουΛ࣮૷
 ʢ಺༰͸मਖ਼લͱಉ͡ʣ ൃ ද Ͱ ͸ ׂ Ѫ
201. class ExampleViewsAction { private let label: UILabel private let modalPresenter: ModalPresenter private let model: ExampleModel init(label: UILabel, modalPresenter: ModalPresenter, model: ExampleModel) { self.label = label self.modalPresenter = modalPresenter self.model = model } func buttonDidTapped() { self.model.update() } } 7JFX$POUSPMMFS
     ͔Β෼཭ͨ͠Ϋϥε ൃ ද Ͱ ͸ ׂ Ѫ
202. class ExampleViewsAction { private let label: UILabel private let modalPresenter: ModalPresenter private let model: ExampleModel init(label: UILabel, modalPresenter: ModalPresenter, model: ExampleModel) { self.label = label self.modalPresenter = modalPresenter self.model = model } func buttonDidTapped() { self.model.update() } } ཪଆͷ࢓ࣄΫϥεͷ࡞੒Λ͜ͷதͰ΍ͬͯ΋͍͍ ͕ɺ7JFX$POUSPMMFS
     ͔Β౉ͯ͠΋Β͏ͱɺͷͪ ͷָͪʹͳΔ ൃ ද Ͱ ͸ ׂ Ѫ
203. class ExampleViewsAction { private let label: UILabel private let modalPresenter: ModalPresenter private let model: ExampleModel init(label: UILabel, modalPresenter: ModalPresenter, model: ExampleModel) { self.label = label self.modalPresenter = modalPresenter self.model = model } func buttonDidTapped() { self.model.update() } } ϘλϯͷλοϓͰཪଆͷ࢓ࣄΛ࢝ΊΔ ൃ ද Ͱ ͸ ׂ Ѫ
204. मਖ਼ޙͷ
     7JFX$POUSPMMFS import UIKit class ExampleViewController: UIViewController { // লུ override func viewDidLoad() { super.viewDidLoad() self.actions = ExampleViewsAction( label: self.label, modalPresenter: ModalPresenter(willPresentOn: self), model: ExampleModel() ) } } ൃ ද Ͱ ͸ ׂ Ѫ
205. import UIKit class ExampleViewController: UIViewController { // লུ override func viewDidLoad() { super.viewDidLoad() self.actions = ExampleViewsAction( label: self.label, modalPresenter: ModalPresenter(willPresentOn: self), model: ExampleModel() ) } } UILabel
     ͳͲΛ౉͍ͭ͢Ͱʹཪଆͷ
 ࢓ࣄΫϥε΋࡞੒ͯ͠౉͓ͯ͘͠ ൃ ද Ͱ ͸ ׂ Ѫ
206. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } मਖ਼ޙͷಈ࡞֬ೝίʔυ ൃ ද Ͱ ͸ ׂ Ѫ
207. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } Ϙλϯͷλοϓͷ࠶ݱͰ͸ͳ͘ɺ
 ௚઀ݟͨ໨ͷ൓өϝιουΛୟ͘ ൃ ද Ͱ ͸ ׂ Ѫ
208. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } ͔͠͠ɺ͜͏ͯ͠͠·͏ͱϘλϯΛλοϓͯ͠
 ද͕ࣔߋ৽͞ΕΔ͜ͱͷ֬ೝʹͳΒͳ͍ͷͰ͸ʁ
 ͱ͍͏ෆ҆͸࣍ͷ
     
     ͭͷํ๏Ͱ؇࿨Ͱ͖Δɿ
     w Ϙλϯ͕λοϓ͞ΕͨΒɺཪͷ࢓ࣄΫϥε͕
 ݺ͹ΕΔ͜ͱΛ֬ೝ͢ΔίʔυΛ௥Ճ
     w ཪͷ࢓ࣄΫϥε͕ݺ͹ΕͨΒɺඞͣ׬ྃ͢Δ
 ͜ͱΛ֬ೝ͢ΔίʔυΛ௥Ճ
     ͦΕͧΕͷৄࡉ͸εϥΠυͷຕ਺ͷࣄ৘ͰׂѪ͢Δ͕ɺ Ҏ߱ͷεϥΠυͷ஌͚ࣝͩͰ࣮૷Ͱ͖Δ ൃ ද Ͱ ͸ ׂ Ѫ
209. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } Ͱ͸ಈ࡞֬ೝΛ࣮ߦͯ͠ΈΑ͏ ൃ ද Ͱ ͸ ׂ Ѫ
210. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } ͜͜·Ͱ͖ͯ΍ͬͱ੒ޭ͠·͢ ൃ ද Ͱ ͸ ׂ Ѫ
211. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } ͔͠͠ɺ·ͩ
     "1*
     ݺͼग़͕͠Τϥʔʹ
     ͳͬͨ৔߹ͷಈ࡞֬ೝΛͰ͖͍ͯͳ͍ʜ ൃ ද Ͱ ͸ ׂ Ѫ
212. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } ͜Ε΋ίʔυͰಈ࡞֬ೝͰ͖Δ͕ɺ
 εϥΠυͷຕ਺ͷ౎߹ͰׂѪ͢Δ
     ͜ͷ࡞ۀͷώϯτΛॻ͍͓ͯ͘ɿ
     w "1*
     ͷ݁ՌΛಈ࡞֬ೝίʔυ͔Β
 ࢦఆͰ͖ΔΑ͏ʹ͢Δ
     ‎ *OQVU0CKFDU
     *OKFDUJPO
     w .PEBM1SFTFOUFS
     ͷϝιουݺͼग़͠Λ
 ه࿥͢ΔِͷΦϒδΣΫτΛ࡞੒͢Δ
     ‎ 0VUQVU0CKFDU
     *OKFDUJPO
     ͦΕͧΕͷৄࡉ͸ɺεϥΠυͷޙํͰ
 ঺հ͢ΔʮJ04
     Ͱςετ༰қͳઃܭΛ
 ࣮ݱ͢ΔͨΊͷσβΠϯύλʔϯʯͰ
 αϯϓϧίʔυͱ߹Θͤͯղઆ͍ͯ͠Δ ൃ ද Ͱ ͸ ׂ Ѫ
213. import XCTest import UIKit @testable import IOSDC2018Debugging class ExampleViewControllerTest: XCTestCase { func testMyNameIsVisible() { let dummyModalPresenter = ModalPresenter(willPresentOn: UIViewControlle let label = UILabel() let actions = ExampleViewsAction( label: label, modalPresenter: dummyModalPresenter, model: ExampleModel() ) actions.apply(state: .success(userName: "Kuniwak")) XCTAssertTrue(label.text?.contains("Kuniwak")) } } ͜Ε·Ͱͷ࡞ۀͰ΍ͬͨ͜ͱɿ
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 ࣮ߦͰ͖ΔΑ͏ʹͨ͠
     ࣗಈͰͷಈ࡞֬ೝʹඞཁͳࡉ͔ͳ஌͕ࣝ
 ͱͯ΋ଟ͍͜ͱ͕Θ͔Δ ൃ ද Ͱ ͸ ׂ Ѫ
214. ಈ࡞֬ೝͷࣗಈԽʹ͸ɺී௨ͷ
 ΞϓϦ࣮૷ͱ͸ҟͳΔ஌͕ࣝඞཁ ݴ͍͔ͨͬͨ͜ͱ͸
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216. ։ൃ଎౓ͷ૿Ճྔ ͜͜·Ͱ͸͢ΜͳΓ͍͘ ࣌ؒܦա   --%#
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217. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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 Ͱ΋ηϧϑνΣοΫͪΌΜͱ
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218. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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219. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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220. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա   --%#
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221. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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222. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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223. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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224. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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225. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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226. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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227. ։ൃ଎౓ͷ૿Ճྔ ࣌ؒܦա --%#
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 ͏·͘੾Γൈ͚ΔͨΊͷ஌͕ࣝ
 ͱͯ΋େࣄͩͱ͍͏͜ͱ
228. ࢲͷྫͰ͸ɺݩ͔Βಈ࡞֬ೝΛ
 ಘҙͱ͍ͯͨ͠
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229. ࣗಈԽͷ୩Λʮ͍ͭʯ
 ৐Γӽ͑Δ͔ ܦݧऀ͕ޠΔ
230. ίʔυ͕ߴྸͳ΄ͲɺࣗಈԽͷ୩͸
 Ͳ͜·Ͱ΋ਂ͘ͳΓɺ͔ͭ௕͘ͳΔ
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231. ৽ػೳ࣮૷΍ϦχϡʔΞϧͳͲͰ
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232. ୩ΛҰ౓Ͱ΋ӽ͑ΔܦݧΛͨ͠ਓ͸
 ͔࣍Βڧͯ͘χϡʔήʔϜͰ͖Δ
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233. ࣗಈԽͷ୩ΛʮͲ͏ʯ
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234. ࣗಈԽͷ୩Λ౿ഁ͢ΔͨΊʹ͸ɺҎԼͷ
 ஌͕ࣝ໾ʹཱͭɿ
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 ΧςΰϦͰޠΒΕΔ͜ͱ͕ଟ͍Ͱ͢
235. ࣗಈԽͷ୩ӽ͑ͷͨΊͷࢿྉ ྫ͑͹ʜ
236. ʮJ04
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238. ʮ4XJGUͰ
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239. ಠֶͷݶքΛײͨ͡Β ͍͔ͭ๚ΕΔ
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242. ͜ͷൃදͰ఻͖͑Εͳ͔ͬͨ
 ৄࡉͳ࣮૷ύλʔϯʹ͍ͭͯ͸ʜ ͦͯ͠ʜ
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248. ཱͪࢭ·ͬͯ΋
 ݱࡏ஍͸มΘΒͳ͍
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