Tweet
Tweet

Slide 1

Slide 1 text

null҆શ͸͍͍ͧɻ ͩͬͯɺ ܕ҆શ͸͍͍ͧɻ by takasek 2016/11/10 ίʔυվળ meetup #2 1

Slide 2

Slide 2 text

͜͜਺೔ɺ null҆શʹ͍ͭͯ όζͬͯ·͢Ͷʂ 2

Slide 3

Slide 3 text

http://qiita.com/koher/items/e4835bd429b88809ab33 3

Slide 4

Slide 4 text

ͦ͏͍΍ઌि͸ t-wada͞Μͷ εϥΠυ΋ όζΓ·ͨ͠Ͷ 4

Slide 5

Slide 5 text

https://speakerdeck.com/twada/php-conference-2016 5

Slide 6

Slide 6 text

͜ΕΒͷهࣄɺ ࣮͸ಉ͡࿩ͯ͠Δͳ͊! ͱࢥͬͨͷͰɺ Swiftେ޷͖ͳࣗ෼ͳΓʹ ·ͱΊ·͢ 6

Slide 7

Slide 7 text

7

Slide 8

Slide 8 text

8

Slide 9

Slide 9 text

Ͱ͸ຊ୊ 9

Slide 10

Slide 10 text

ʮnullϨΨʯͷཁ໿ null҆શͰ͋Δ/ͳ͍ͷҧ͍͸… 4 null҆શͰͳ͍ݴޠ 4 String ʹจࣈྻ͕ೖΔ͔΋͠Εͳ͍͠ɺnull͕ೖΔ͔΋͠Εͳ ͍ 4 null ΁ͷૢ࡞͸࣮ߦ࣌Τϥʔ 4 null҆શͳݴޠ 4 String (non-null) ͱ String? (nullable) Λ໌֬ʹ۠ผ 4 String? ͸ɺString ʹม׵͠ͳ͍ͱ࢖͑ͳ͍ 4 ίϯύΠϧ࣌ʢಈతܕ෇ݴޠͰ͸੩తղੳ࣌ʣʹΤϥʔ 10

Slide 11

Slide 11 text

ʮnullϨΨʯͷཁ໿ ΘͣΒΘ͍͠ʁɹੜ࢈ੑ͕Լ͕ΔʁɹNO! ͏·͘ѻ͏ͨΊͷ࢓૊Έ͕ͨ͘͞Μʂ 4 null νΣοΫͱΩϟετ 4 ! , !! 4 ?. , ?-> 4 ?: , ?? 4 map 4 flatMap 4 do ه๏ 4 ? 4 ܕਪ࿦ 11

Slide 12

Slide 12 text

࣮ࡍΘͣΒΘ͘͠͸ͳ͍ null҆શͳݴޠͩͱ… 4 nullʹ͍ͭͯߟ͑ͳͯ͘ྑ͍৔߹͸ɺnon-null Ͱࣄ଍ΓΔ 4 nullΛҙࣝ͢΂͖৔߹ʹ͚ͩɺ໌֬ʹҙࣝ͢Ε ͹͍͍ 12

Slide 13

Slide 13 text

ͯ͞ɺt-wada͞Μͷ PHP confͰͷൃද 13

Slide 14

Slide 14 text

14

Slide 15

Slide 15 text

15

Slide 16

Slide 16 text

16

Slide 17

Slide 17 text

ͱ͜ΖͰ 17

Slide 18

Slide 18 text

ࠓ೥ͷ2݄ɺTDD Boot Campͱ͍͏ ϫʔΫγϣοϓʹߦ͖ͬͯͨΜͰ͚͢Ͳ 18

Slide 19

Slide 19 text

Test Driven Developmentͷखॱ 1. ࣦഊ͢ΔςετΛॻ͘(Red!) 2. ςετ͕௨ΔΑ͏ʹमਖ਼͢Δ(Green") 3. ϦϑΝΫλϦϯά͢Δ♻ ͷ܁Γฦ͠ 19

Slide 20

Slide 20 text

TDDBCͰ΍ͬͨ͜ͱ 4 ࢀՃऀʹɺڞ௨ͷ՝୊͕༩͑ΒΕΔ 4 ৄ͘͠͸ http://www.slideshare.net/ setoazusa/tddbc-tokyo-201602 4 ςετϑΝʔετͰ։ൃ͍ͯ͘͠ 4 ݴޠ͸νʔϜຖʹ޷͖ͳ΋ͷΛ࢖͏ 4 ※takasek͸SwiftνʔϜ 20

Slide 21

Slide 21 text

݁Ռ 21

Slide 22

Slide 22 text

ࠔͬͨ! 22

Slide 23

Slide 23 text

࠷ॳͷ ʮࣦഊ͢ΔςετΛॻ͘ʯ Ͱ͍͖ͳΓ͍᪴ͨ 23

Slide 24

Slide 24 text

ԿނͳΒɺ ςετର৅ͷʮਖ਼͘͠ͳ͍ίʔυʯ͕ ίϯύΠϧΛ௨Βͳ͍͔Β…ʂ 24

Slide 25

Slide 25 text

ձ৔ͷνϡʔλʔ͞Μʹ ϔϧϓΛٻΊΔͱ… 25

Slide 26

Slide 26 text

! ʮίϯύΠϧΤϥʔ͸ Redͩͱࢥͬͯ΋Βͬͯ ߏ͍·ͤΜʯ 26

Slide 27

Slide 27 text

!❣ 27

Slide 28

Slide 28 text

͜Ε͕ɺtakasek͕ ܕʹ࿀Λͨ͠ॠؒͰͨ͠… 28

Slide 29

Slide 29 text

ͱ͜ΖͰ 29

Slide 30

Slide 30 text

ઌ೔ɺiOSք۾ͷษڧձͰൃදͨ͠ΜͰ͚͢Ͳ https://speakerdeck.com/takasek/da-dexiao-wojian-neruna 30

Slide 31

Slide 31 text

ཁ໿ 4 ೔෇!Λදݱ͍ͨ͠৔߹ 4 ඪ४ͷDateܕ͸ΦʔόʔεϖοΫ 4 Y,M,DΛIntͰ࣋ͭߏ଄ମ͕͋Ε͹ॆ෼ 4 ػೳ͕ଟ͍ʹ᠘͕ଟ͍ 4 େ͕খΛ݉ͶΔͱ൵͠Έ͕ੜ·ΕΔ 31

Slide 32

Slide 32 text

null҆શͰͳ͍ܕ ΋ಉ͡ 32

Slide 33

Slide 33 text

ຊདྷతͳܕͷػೳͱ null͕ೖΕΒΕΔػೳ͸ ผͷػೳ 33

Slide 34

Slide 34 text

ຊདྷతͰͳ͍ػೳΛ ܕʹ࣋ͨͤͯ͠·ͬͨ݁Ռ ൵͠Έ!ͱ 10ԯυϧͷଛ֐"͕ ੜ·Εͨ 34

Slide 35

Slide 35 text

େࣄͳͷ͸ ਖ਼͍͠ܕઃܭ 35

Slide 36

Slide 36 text

ग़య: ܕ҆શੑͱ͸Կ͔ | ϓϩάϥϛϯά | POSTD http://postd.cc/what-is-type-safety/ 36

Slide 37

Slide 37 text

37

Slide 38

Slide 38 text

null҆શɺܕ҆શ͸ɺ ػցʹ೚ͤΔ΂͖΋ͷΛ ػցʹ೚ͤΔ࢓૊Έ 38

Slide 39

Slide 39 text

ग़య: null҆શΛޡղ͍ͯ͠Δਓୡ΁ͷϝοηʔδ - Qiita http://qiita.com/omochimetaru/items/ee29d4c6eb0d78f02b15 39

Slide 40

Slide 40 text

݁࿦ 4 ܕ͸͍͍ͧ 4 ܕ͸ػց͕෼͔ΔܗͰܖ໿Λදݱ͢Δٕज़ 4 ͔ͩΒ๷ޚతϓϩάϥϛϯάΛࣗಈԽͰ͖ Δ 4 null҆શ͸ well typedͳܕγεςϜ 4 ͔ͩΒͦ͜ɺnull҆શ͸͍͍ͧ 40

Slide 41

Slide 41 text

͓·͚ͷ[IMO]! null҆શͰͳ͍ݴޠͰ͋ͬͯ΋ɺnull҆શΛҙࣝ ͨ͠ܕઃܭΛಠࣗʹ࡞Δ͜ͱ΋Ͱ͖ΔͷͰ͸…ʁ null͕ൃੜͦ͠͏ͳ৔߹͸ɺಠࣗܕʹแΉӡ༻ʹ ͢Δͱ͔…ʁ …null҆શͰͳ͍ݴޠʹ͍ͭͯ͸໳֎׽ͳͷͰ… ص্ͷۭ࿦Ͱ͠ΐ͏͔Ͷ…ʁ 41

Slide 42

Slide 42 text

ࢀߟϦϯΫ null҆શͰͳ͍ݴޠ͸ɺ΋͸΍ϨΨγʔݴޠͩ - Qiita http://qiita.com/koher/items/e4835bd429b88809ab33 null҆શΛޡղ͍ͯ͠Δਓୡ΁ͷϝοηʔδ - Qiita http://qiita.com/omochimetaru/items/ee29d4c6eb0d78f02b15 PHP7Ͱݎ࿚ͳίʔυΛॻ͘ - ྫ֎ॲཧɺද໌ϓϩάϥϛϯάɺܖ໿ʹΑΔઃܭ / PHP Conference 2016 // Speaker Deck https://speakerdeck.com/twada/php-conference-2016 େͰখΛ݉ͶΔͳ // Speaker Deck https://speakerdeck.com/takasek/da-dexiao-wojian-neruna TDDBC | Doorkeeper https://tddbc.doorkeeper.jp/ ܕ҆શੑͱ͸Կ͔ | ϓϩάϥϛϯά | POSTD http://postd.cc/what-is-type-safety/ 42