SwiftでわかるSOLID原則 iOSDC 2020

iOSDC 2020の発表に用いた資料

Transcript

1. J04%$+BQBO!L@LPIFZJ
   4XJGUͰΘ͔Δ40-*%ݪଇ
   J04ͷ։ൃࣄྫʹ߹Θͤͯ෼Ͱ঺հ
   
   

   View Slide

2. 
   ֶੜ࣌୅ελʔτΞοϓͰ
   J04ΞϓϦ։ൃΛ͍ͯͨ͠
   ࢲ͸౓ʑ͜ͷΑ͏ͳ͜ͱΛ
   ߟ͍͑ͯ·ͨ͠
   
   

   View Slide

3. 
   ࣗ෼͸
   ࣗ෼͸ػೳ௥ՃΛ
   ͍ͯ͠Δ͕
   

   View Slide

4. 
   ࣗ෼͸
   ͦͷ࣮
   ௥Ճ͍ͯ͠Δͷ͸
   ػೳͰ͸ͳ͘
   όάͳͷͰ͸ʁʁ
   

   View Slide

5. 
   IUUQTXXXESPQCPYDPNTIOTJHWQSNJNWKSB""$//LWD8/I:&SHBJ4876B EM
   ϦϦʔεຖʹൃੜ͢Δόά
   
   ͦΕΛमਖ਼͢Δෛͷϧʔϓ
   

   View Slide

6. 40-*%ݪଇ
   มߋʹڧ͘ཧղ͠΍͍͢γεςϜΛ࡞ΔͨΊͷݪଇ
   ͭͷઃܭݪଇͷ಄จࣈΛऔ໊ͬͨલʹͳ͍ͬͯΔ
   
   

   View Slide

7. J04։ൃʹབྷΊͯ
   40-*%ݪଇ Ұ෦
   
   Λઆ໌͠Α͏
   ͱ͍͏ࢼΈͰ͢
   ͜ͷൃද͸
   
   

   View Slide

8. ୯Ұ੹೚ͷݪଇ
   
   4JOHMF3FTQPOTJCJMJUZ1SJODJQMF
   

   View Slide

9. ୯Ұ੹೚ͷݪଇ
   ֓ཁ
   w ͋ΔΫϥεʢߏ଄ମ΍ྻڍܕʹؔͯ͠΋ಉ͡ʣ͸ͭͷΞΫλʔʹରͯ͠
   ੹຿Λෛ͏΂͖Ͱ͋Δ
   w ΞΫλʔσβΠφʔ΍ϓϥϯφʔ౳ͷεςʔΫϗϧμʔɽࢀߟจݙͰ͸$50΍
   $&0͕֘౰͢Δͱઆ໌͞Ε͍ͯΔɽ
   
   

   View Slide

10. ୯Ұ੹೚ͷݪଇ
    ֓ཁ
    w ͋ΔΫϥεʢߏ଄ମ΍ྻڍܕʹؔͯ͠΋ಉ͡ʣ͸ͭͷΞΫλʔʹରͯ͠
    ੹຿Λෛ͏΂͖Ͱ͋Δ
    w ΞΫλʔσβΠφʔ΍ϓϥϯφʔ౳ͷεςʔΫϗϧμʔɽࢀߟจݙͰ͸$50΍
    $&0͕֘౰͢Δͱઆ໌͞Ε͍ͯΔɽ
    ͋ΔΞΫλʔͷཁٻʹΑΔมߋ͕
    ผͷΞΫλʔͷཁٻΛյͯ͠͠·͏Մೳੑ͕͋Δ
    
    

    View Slide

11. ୯Ұ੹೚ͷݪଇʹ
    ै͍ͬͯͳ͍ྫ
    
    

    View Slide

12. 
    ୯Ұ੹೚ͷݪଇ
    ै͍ͬͯͳ͍ྫ
    ͳΜͰ΋೚ͤͯԼ͍͞ʂʂ
    ੹೚ײڧ͗͢Δ
    

    View Slide

13. 破…!!!
    破…!!!
    
    ͋ΔΞΫλʔͷཁٻ͕΋͏ҰํͷΞΫλʔͷมߋΛഁյ͢Δ౳ͷӨڹΛٴ΅͢Մೳੑ͕͋Δɽ
    খ͍͞Өڹͩͱɼ(JUͷίϯϑϦΫτͳͲ͕ߟ͑ΒΕΔɽ
    

    View Slide

14. ୯Ұ੹೚ͷݪଇʹ
    ै͏Α͏ʹΫϥεΛ
    ෼͚Δ
    2͡Ό͋Ͳ͏͢Δͷʁ
    
    

    View Slide

15. ୯Ұ੹೚ͷݪଇʹैͬͯ੹຿Λ෼཭ͨ͠Ұྫ
    6*7JFX$POUSPMMFS
    ભҠઌΛܾఆ͢Δॲཧ
    $PPSEJOBUPS
    ભҠΞχϝʔγϣϯ
    σβΠφʔ
    ભҠΞχϝʔγϣϯ
    ΛϦονʹʂ
    มߋΛཁٻ
    ϓϥϯφʔ
    ભҠॲཧΛҕৡ
    ભҠઌͷը໘Λ
    มߋ͍ͨ͠ʂ
    มߋΛཁٻ
    
    $PPSEJOBUPSύλʔϯը໘ભҠʹؔ͢Δ੹຿Λ$PPSEJOBUPSͱݺ͹ΕΔΫϥε΁ҕৡ͢Δ࣮૷ύλʔϯ
    

    View Slide

16. ୯Ұ੹೚ͷݪଇʹैͬͯ੹຿Λ෼཭ͨ͠Ұྫ
    6*7JFX$POUSPMMFS
    ભҠઌΛܾఆ͢Δॲཧ
    $PPSEJOBUPS
    ભҠΞχϝʔγϣϯ
    σβΠφʔ
    ભҠΞχϝʔγϣϯ
    ΛϦονʹʂ
    มߋΛཁٻ
    ϓϥϯφʔ
    ભҠॲཧΛҕৡ
    ભҠઌͷը໘Λ
    มߋ͍ͨ͠ʂ
    มߋΛཁٻ
    
    $PPSEJOBUPSύλʔϯը໘ભҠʹؔ͢Δ੹຿Λ$PPSEJOBUPSͱݺ͹ΕΔΫϥε΁ҕৡ͢Δ࣮૷ύλʔϯ
    

    View Slide

17. ୯Ұ੹೚ͷݪଇʹैͬͯ੹຿Λ෼཭ͨ͠Ұྫ
    6*7JFX$POUSPMMFS
    ભҠઌΛܾఆ͢Δॲཧ
    $PPSEJOBUPS
    ભҠΞχϝʔγϣϯ
    σβΠφʔ
    ભҠΞχϝʔγϣϯ
    ΛϦονʹʂ
    มߋΛཁٻ
    ϓϥϯφʔ
    ભҠॲཧΛҕৡ
    ભҠઌͷը໘Λ
    มߋ͍ͨ͠ʂ
    มߋΛཁٻ
    
    $PPSEJOBUPSύλʔϯը໘ભҠʹؔ͢Δ੹຿Λ$PPSEJOBUPSͱݺ͹ΕΔΫϥε΁ҕৡ͢Δ࣮૷ύλʔϯ
    

    View Slide

18. ୯Ұ੹೚ͷݪଇʹैͬͯ੹຿Λ෼཭ͨ͠Ұྫ
    6*7JFX$POUSPMMFS
    ભҠઌΛܾఆ͢Δॲཧ
    $PPSEJOBUPS
    ભҠΞχϝʔγϣϯ
    σβΠφʔ
    ભҠΞχϝʔγϣϯ
    ΛϦονʹʂ
    มߋΛཁٻ
    ϓϥϯφʔ
    ભҠॲཧΛҕৡ
    ભҠઌͷը໘Λ
    มߋ͍ͨ͠ʂ
    มߋΛཁٻ
    9$PPSEJOBUPSΛ༻͍ͨྫ
    IUUQTHJUIVCDPNRVJDLCJSETUVEJPT9$PPSEJOBUPS͔ΒҰ෦Ҿ༻
    
    

    View Slide

19. ݪଇʹै͏ͱ֤ΞΫλʔʹΑΔมߋ͕͓ޓ͍ʹׯব͠ͳ͍ͨΊ
    յΕʹ͍͘ઃܭͱͳͬͨ
    6*7JFX$POUSPMMFS
    ભҠઌΛܾఆ͢Δॲཧ
    $PPSEJOBUPS
    ભҠΞχϝʔγϣϯ
    σβΠφʔ
    ભҠΞχϝʔγϣϯ
    ΛϦονʹʂ
    มߋΛཁٻ
    ϓϥϯφʔ
    ભҠॲཧΛҕৡ
    ભҠઌͷը໘Λ
    มߋ͍ͨ͠ʂ
    มߋΛཁٻ
    
    

    View Slide

20. Ϧείϑͷஔ׵ݪଇ
    
    -JTLPWTVCTUJUVUJPOQSJODJQMF
    

    View Slide

21. Ϧείϑͷஔ׵ݪଇ
    ֓ཁ
    ͋Δܕ"ͱަ׵Մೳͳܕ#Λ࢖༻Ͱ͖Δ৔߹ɼ#͸"ͱಉ͡ৼΔ෣͍Λ͢Δ͜ͱ
    Λอূ͞Εͳ͍ͱ͍͚ͳ͍
    
    

    View Slide

22. Ϧείϑͷஔ׵ݪଇ
    ֓ཁ
    ͋Δܕ"ͱަ׵Մೳͳܕ#Λ࢖༻Ͱ͖Δ৔߹ɼ#͸"ͱಉ͡ৼΔ෣͍Λ͢Δ͜ͱ
    Λอূ͞Εͳ͍ͱ͍͚ͳ͍
    ͋ΔܕΛ֦ு͢Δຖʹमਖ਼͕
    ඞཁʹͳΔՄೳੑ͕͋Δ
    
    

    View Slide

23. Ϧείϑͷஔ׵ݪଇ
    ໰͍
    ΦϒδΣΫτࢦ޲ݴޠͳΒܧঝʹΑͬͯৗʹຬͨͤͦ͏ʁ
    BEE4VC7JFX 6*7JFX
    ʹରͯ͠
    6*7JFXͷαϒλΠϓʢ&MMJQTF7JFXʣΛ
    ౉͢͜ͱ͕Ͱ͖Δ
    
    

    View Slide

24. Ϧείϑͷஔ׵ݪଇ
    ໰͍
    ΦϒδΣΫτࢦ޲ݴޠͳΒܧঝʹΑͬͯৗʹຬͨͤͦ͏ʁ
    BEE4VC7JFX 6*7JFX
    ʹରͯ͠
    6*7JFXͷαϒλΠϓʢ&MMJQTF7JFXʣΛ
    ౉͢͜ͱ͕Ͱ͖Δ
    
    
    

    View Slide

25. ৼΔ෣͍·Ͱަ׵ՄೳʹͳΔ͜ͱ͸୲อ͞Εͳ͍
    7JFXͷഎܠͱڥքઢͷ৭Λม͑Δ6*7JFXͷ֦ுؔ਺ͷྫ
    
    ͜ͷϝιου͸શͯͷ6*7JFXͷαϒλΠϓ
    ʹ͓͍ͯಉ͡Α͏ʹৼΔ෣͏͔ʁʁ
    

    View Slide

26. ৼΔ෣͍·Ͱަ׵ՄೳʹͳΔ͜ͱ͸୲อ͞Εͳ͍
    6*4UBDL7JFXΛ༻͍ͨ൓ྫʢ9DPEFҎલʣ
    )PHF7JFX 'VHB7JFX
    6*7JFX
    pMM*ODMVEJOH#PSEFS
    6*4UBDL7JFX
    9DPEF͔ΒCBDLHSPVOE$PMPSʹΑΔഎܠ৭ͷมߋ͕ՄೳͱͳΓ·ͨ͠IUUQTUXJUUFSDPNMBZPVU4VCWJFXTTUBUVT T
    આ໌ͷͨΊʹ6*4UBDL7JFXΛ࣋ͪग़͕ͨ͠ɼ6*,JU͸ͦΜͳʹසൟʹมߋ͕ೖΔ΋ͷͰ͸ͳ͍͠ɼ͜ͷ-41ҧ൓͸େͨ͠໰୊Ͱ͸ͳ͍ͱ͍͏ೝࣝͰ͢
    
    

    View Slide

27. ৼΔ෣͍·Ͱަ׵ՄೳʹͳΔ͜ͱ͸୲อ͞Εͳ͍
    6*4UBDL7JFXΛ༻͍ͨ൓ྫʢ9DPEFҎલʣ
    )PHF7JFX 'VHB7JFX
    6*7JFX
    pMM*ODMVEJOH#PSEFS
    6*4UBDL7JFX
    ͜͜Ͱॲཧͷ෼ذ
    ͕ඞཁʹͳΔ
    
    

    View Slide

28. ৼΔ෣͍·Ͱަ׵ՄೳʹͳΔ͜ͱ͸୲อ͞Εͳ͍
    6*4UBDL7JFXΛ༻͍ͨ൓ྫ
    )PHF7JFX 'VHB7JFX
    6*7JFX
    pMM*ODMVEJOH#PSEFS
    6*4UBDL7JFX
    ͜͜Ͱॲཧͷ෼ذ
    ͕ඞཁʹͳΔ
    
    UIKit͸සൟʹมߋ͕ՃΘΒͳ͍ͨΊ͞΄Ͳ໰୊ʹͳΒͳ͍͕
    αϒλΠϓΛ௥Ճ͢Δ౓ʹ
    ྫ֎ͷ֬ೝͱରԠΛ͢Δඞཁ͕͋Δͷ͸
    ඇৗʹ໽հ
    

    View Slide

29. Ϧείϑͷஔ׵ݪଇҧ൓ͷ؆қνΣοΫ
    ࣗ਎͕ఆٛͨ͠ܕ͕มߋʹڧ͍͔Λ֬ೝ͢Δͷʹ࢖͑Δ
    w ܧঝઌͰୀԽ͍ͯ͠ΔϝιουŋϓϩύςΟ͸ͳ͍͔
    w ྫʣܧঝݩͰ͸࣮૷͕͋ΔͷʹɼܧঝઌͰ͸ۭ࣮૷ʹͳ͍ͬͯΔϝιου
    w ܧঝઌͰܧঝݩͰ౤͍͛ͯͳ͍ྫ֎Λ౤͍͛ͯͳ͍͔
    w ྫʣ4XJGUͰ͸ΤϥʔΛ౤͛ͳ͍ϝιουΛΦʔόʔϥΠυͯ͠
    ΤϥʔΛ౤͛ΔΑ͏ͳมߋ͸Ͱ͖ͳ͍ɽ
    w ແཧ΍ΓGBUBM&SSPSΛى͜͢͜ͱ͸Մೳɽ
    
    

    View Slide

30. ґଘੑٯసͷݪଇ
    
    %FQFOEFODZJOWFSTJPOQSJODJQMF
    

    View Slide

31. ґଘੑٯసͷݪଇ
    ֓ཁ
    w ؆୯ʹݴ͏ͱɼʮந৅ʹґଘͤΑɽʯͱ͍͏ܦݧଇɽ
    w มߋ͞Ε΍͍͢۩৅ΫϥεΛܧঝͨ͠Γ໊ࢦ͠Ͱࢀরͨ͠Γͯ͠͸͍͚ͳ͍
    
    ٯసͱ͸ɼґଘͷ޲͖͕ٯ޲͖ʹͳΔ͜ͱɼґଘͷํ޲ͱΠϯλϑΣʔεͷॴ༗ݖ͕ٯʹͳΔ͜ͱΛࢦ͢
    

    View Slide

32. ґଘੑٯసͷݪଇ
    ֓ཁ
    w ؆୯ʹݴ͏ͱɼʮந৅ʹґଘͤΑɽʯͱ͍͏ܦݧଇɽ
    w มߋ͞Ε΍͍͢۩৅ΫϥεΛܧঝͨ͠Γ໊ࢦ͠Ͱࢀরͨ͠Γͯ͠͸͍͚ͳ͍
    ଟ͘ͷ৔߹ʹ͓͍ͯ۩৅ΫϥεΑΓ
    ΠϯλϑΣʔεͷํ͕มߋ͞Εʹ͍ͨ͘Ί
    ͜ͷݪଇʹै͏ͱมߋʹڧ͍ઃܭʹͳΔ
    
    ٯసͱ͸ɼґଘͷ޲͖͕ٯ޲͖ʹͳΔ͜ͱɼґଘͷํ޲ͱΠϯλϑΣʔεͷॴ༗ݖ͕ٯʹͳΔ͜ͱΛࢦ͢
    

    View Slide

33. ґଘੑٯసͷݪଇ
    ֓ཁ
    w ؆୯ʹݴ͏ͱɼʮந৅ʹґଘͤΑɽʯͱ͍͏ܦݧଇɽ
    w มߋ͞Ε΍͍͢۩৅ΫϥεΛܧঝͨ͠Γ໊ࢦ͠Ͱࢀরͨ͠Γͯ͠͸͍͚ͳ͍
    ଟ͘ͷ৔߹ʹ͓͍ͯ۩৅ΫϥεΑΓ
    ΠϯλϑΣʔεͷํ͕มߋ͞Εʹ͍ͨ͘Ί
    ͜ͷݪଇʹै͏ͱมߋʹڧ͍ઃܭʹͳΔ
    
    ٯసͱ͸ɼґଘͷ޲͖͕ٯ޲͖ʹͳΔ͜ͱɼґଘͷํ޲ͱΠϯλϑΣʔεͷॴ༗ݖ͕ٯʹͳΔ͜ͱΛࢦ͢
    Մೳͳͷ͔ʁ
    

    View Slide

34. ໊ࢦ͠ͷࢀরΛ࠷খݶʹ͢Δํ๏
    ґଘੑ஫ೖΛ༻͍ͨࣄྫ
    w 4XJOKFDUͷΑ͏ͳґଘੑ஫ೖΛߦ͏࣮૷Λ༻͍Δ͜ͱʹΑͬͯɼ۩৅Ϋϥε
    ͷࢀরΛ࠷খݶʹͰ͖Δɽ
    ϓϩτίϧͱ
    ॳظԽʹඞཁͳ
    ύϥϝʔλ
    ۩৅Ϋϥεͷ
    Πϯελϯε
    ίϯςφʹ͋Δ
    1FSTPOBMϓϩτίϧ
    ʹ४ڌͨ͠ΠϯελϯεΛԼ͍͞
    4VQFS1FSTPOͷΠϯελϯε
    ͕ొ࿥͞Ε͍ͯΔͷͰ
    ίϨΛ࢖͍ͬͯͩ͘͞ʂ
    
    ຊൃදͰ͸ΠϯλϑΣʔεͱϓϩτίϧΛҙຯతʹ࢖Θ͚ͳ͍ɽͨͩ͠ɼϓϩτίϧͱ࢖͏ͱ͖͸ΑΓ4XJGUͷݴޠ࢓తͳഎܠ͕ڧ͍ɽ
    

    View Slide

35. ໊ࢦ͠ͷࢀরΛ࠷খݶʹ͢Δํ๏
    ґଘੑ஫ೖΛ༻͍ͨࣄྫ
    w 4XJOKFDUͷΑ͏ͳґଘੑ஫ೖΛߦ͏࣮૷Λ༻͍Δ͜ͱʹΑͬͯɼ۩৅Ϋϥε
    ͷࢀরΛ࠷খݶʹͰ͖Δɽ
    %*ίϯςφʹ͸
    ۩৅Ϋϥεͷొ࿥ʢࢀরʣ
    ͕ඞཁ
    
    

    View Slide

36. ໊ࢦ͠ͷࢀরΛ࠷খݶʹ͢Δํ๏
    ґଘੑ஫ೖΛ༻͍ͨࣄྫ
    w 4XJOKFDUͷΑ͏ͳґଘੑ஫ೖΛߦ͏࣮૷Λ༻͍Δ͜ͱʹΑͬͯɼ۩৅Ϋϥε
    ͷࢀরΛ࠷খݶʹͰ͖Δɽ
    1SPUPDPM͑͞஌͍ͬͯΕ͹
    ۩৅ΫϥεΛࢀর͢Δ͜ͱͳ͘
    ͦͷΠϯελϯεΛऔಘͰ͖Δ
    
    

    View Slide

37. ໊ࢦ͠ͷࢀরΛ࠷খݶʹ͢Δํ๏
    ґଘੑ஫ೖΛ༻͍ͨࣄྫ
    w 4XJOKFDUͷΑ͏ͳґଘੑ஫ೖΛߦ͏࣮૷Λ༻͍Δ͜ͱʹΑͬͯɼ۩৅Ϋϥε
    ͷࢀরΛ࠷খݶʹͰ͖Δɽ
    1SPUPDPM͑͞஌͍ͬͯΕ͹
    ۩৅ΫϥεΛࢀর͢Δ͜ͱͳ͘
    ͦͷΠϯελϯεΛऔಘͰ͖Δ
    
    ݪଇʹै͏͜ͱʹΑͬͯ
    มߋ͞Ε΍͍͢
    ۩৅ΫϥεͷࢀরΛආ͚ͳ͕Β
    ։ൃ͕Ͱ͖ΔΑ͏ʹͳͬͨ
    

    View Slide

38. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    4XJGUͰΘ͔Δ40-*%ݪଇ!L@LPIFZJ
    w 40-*%ݪଇ
    w มߋʹڧ͘ཧղ͠΍͍͢γεςϜΛ࡞ΔͨΊʹ༗ӹ
    w ୯Ұ੹೚ͷݪଇ
    w ͋ΔΫϥε͸ͭͷΞΫλʔ܈ʹରͯ͠੹຿Λෛ͏΂͖Ͱ͋Δ
    w Ϧείϑͷஔ׵ݪଇ
    w ͋Δܕ"ͱަ׵Մೳͳܕ#Λ࢖༻Ͱ͖Δ৔߹ɼ#͸"ͱಉ͡ৼΔ෣͍Λ͢
    Δ͜ͱΛอূ͞Εͳ͍ͱ͍͚ͳ͍
    w ґଘੑٯసͷݪଇ
    w ந৅ʹґଘͤΑ
    w ͦͷଞͷݪଇ
    w ͕࣌ؒ଍ΓͣൃදͰ͖·ͤΜͰͨ͠ϒϩάʹ·ͱΊ·͢ɽ
    
    
    5XJUUFSʢ!L@LPIFZJʣ
    ͜ͷࢿྉ͓Αͼ
    ΑΓৄࡉͳݪଇͷઆ໌ࢿྉ
    ΛπΠʔτ͍ͯ͠·͢
    

    View Slide

39. ࢀߟจݙ
    ॻ੶
    • <>3PCFSU$.BSUJOɼ੉୩ܒհɽΞδϟΠϧιϑτ΢ΣΞ։ൃͷԞٛୈ൛ΦϒδΣΫτࢦ޲։ൃͷਆ਷ͱঊͷٕʢʣ4#ΫϦΤΠ
    ςΟϒ
    • <>3PCFSU$.BSUJOɼ֯੐యɼߴ໦ਖ਼߂ɽ$MFBO"SDIJUFDUVSFୡਓʹֶͿιϑτ΢ΣΞͷߏ଄ͱઃܭʢʣ,"%0,"8"
    هࣄ
    • ΠϯλʔϑΣΠε෼཭ͷݪଇIUUQTUIJOLPOPCKFDUCMPHTQPUDPNJOUFSGBDFTFHSFHBUJPOQSJODJQMFJTQUPQIUNM
    • 40-*%ݪଇΛཧղ͢ΔIUUQTTIUOLHNDPNTPMJEIUNM
    • ΠϯλʔϑΣʔε෼཭ͷ๏ଇ *41
    IUUQIBSVNJTBLVSBOFKQXPSEQSFTT
    &"&#&#'&#$&&"&#$&#&
    &#"&"&&#&JTQ
    • 4XJGUJ04ʹ͓͚Δ40-*%Š4JOHMF3FTQPOTJCJMJUZ1SJODJQMFIUUQTNFEJVNDPN!SJ[VNJUBTXJGU
    JPT&"#&"&&#TPMJETJOHMFSFTQPOTJCJMJUZQSJODJQMFBFBEEF
    • Α͘Θ͔Δ40-*%ݪଇ%ʢґଘੑٯసͷݪଇʣIUUQTOPUFDPNFSVLJUJOOFF
    • աڈʹ։࠵ͨ͠ňΞδϟΠϧιϑτ΢ΣΞ։ൃͷԞٛʼnͷษڧձʹͯ༻͍ΒΕͨࢿྉͨͪ
    ◦ IUUQTTQFBLFSEFDLDPNDIJHJDIBOBQQMJDBUJPOEFTJHONJBORJBOHIVJOVNCFS
    ◦ IUUQTTQFBLFSEFDLDPNL@LPIFZBQQMJDBUJPOEFTJHONJBORJBOHIVJOVNCFS
    
    

    View Slide