Goのソースコードから読み解くオブジェクト指向プログラミング@Object-Oriented Conference 2020

Transcript

1. 0CKFDU0SJFOUFE
   $POGFSFODF
   
   !͓஡ͷਫঁࢠେֶ
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   ΦϒδΣΫτࢦ޲ϓϩάϥϛϯά BETIPMPLP BETIPMPLP
2. ࣗݾ঺հ 4IPHP
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   !4BOTBO BETIPMPLP BETIPMPLP
3. ࠓ೔࿩͢͜ͱ w (Pͷιʔείʔυͷઃܭ͔ΒΦϒδΣΫτࢦ޲ͷΤοηϯεΛֶ΅͏
   w ΦϒδΣΫτࢦ޲ͷҰ୺Ͱ͋ΔσβΠϯύλʔϯʹ͍ͭͯ࿩͠·͢ ϘτϜΞοϓͰΦϒδΣΫτࢦ޲ͷਅ਷ΛֶͿ
4. (Pʹ͍ͭͯ w (PPHMF͕։ൃͨ͠ݴޠ
   w ೥݄ʹॳϦϦʔε
   w 3PC
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   w ͭ·Γ6/*9ͷΤοηϯε͕٧·͍ͬͯΔ
5. ͦ΋ͦ΋ʜ
   (P͸ΦϒδΣΫτࢦ޲ݴޠ͔ʁ
6. (P͸ΦϒδΣΫτࢦ޲ݴޠʁ https://golang.org/doc/faq
7. (P͸ΦϒδΣΫτࢦ޲ݴޠʁ https://golang.org/doc/faq
8. l:FT
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9. l:FT
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10. w ಡΈࠐΈॲཧΛಁաతʹѻ͏ͨΊͷ3FBEFSʢඪ४ϥΠϒϥϦΑΓʣ
    w ໦૸ࠪΛݡ͘ಁաతʹѻ͏ͨΊͷ7JTJUPSʢݴޠॲཧܥΑΓʣ ࠓճ঺հ͢Δύλʔϯ
11. w ಡΈࠐΈॲཧΛಁաతʹѻ͏ͨΊͷ3FBEFSʢඪ४ϥΠϒϥϦΑΓʣ
    w ໦૸ࠪΛݡ͘ಁաతʹѻ͏ͨΊͷ7JTJUPSʢݴޠॲཧܥΑΓʣ ࠓճ঺հ͢Δύλʔϯ
12. JP3FBEFSΠϯλʔϑΣʔε
13. JP3FBEFSΠϯλʔϑΣʔε Ҿ਺ ໭Γ஋
14. ྫ
    ϑΝΠϧಡΈࠐΈͷྫ
15. 3FBEFSΠϯλʔϑΣʔε ଞʹ΋ͨ͘͞Μ͋ΔΑʂ JOUFSGBDF
    JP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS CVpP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS PT'JMF 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS OFU*1$POO 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS
16. ϑΝΠϧ͔ΒಡΈࠐΈΛ࣮ݱ͢Δ3FBEFS 3FBEFSΠϯλʔϑΣʔε JOUFSGBDF
    JP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS CVpP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS PT'JMF 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS OFU*1$POO 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS
17. 3FBEFSΠϯλʔϑΣʔε JOUFSGBDF
    JP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS CVpP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS PT'JMF 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS OFU*1$POO 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS όοϑΝ͔ΒಡΈࠐΈΛ࣮ݱ͢Δ3FBEFS
18. 3FBEFSΠϯλʔϑΣʔε *1ίωΫγϣϯ͔ΒಡΈࠐΈΛ࣮ݱ͢Δ3FBEFS JOUFSGBDF
    JP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS CVpP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS PT'JMF 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS OFU*1$POO 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS
19. 3FBEFSΠϯλʔϑΣʔε JOUFSGBDF
    JP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS CVpP3FBEFS 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS PT'JMF 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS OFU*1$POO 3FBE Q
    <>CZUF
    O
    JOU
    FSS
    FSSPS ʮYYY͔ΒಡΈࠐΉʯ͜ͱ͕ڞ௨͍ͯ͠Δ
20. ྫ
    όοϑΝϦϯά͋ΓϑΝΠϧಡΈࠐΈ ˞্ه͸JPVUJM3FBE'JMFͱ͍͏ศརϝιουͰ΋୅ସՄೳ
    ʢόοϑΝ֬อͷαΠζ͸ҟͳΔʣ
21. 3FBEFSΛ૊Έ߹ΘͤΔ CVpP3FBEFS JOUFSGBDF
    JP3FBEFS JOUFSGBDF
    JP3FBEFS PT'JMF
22. ୯७Խ͢Δͱʜ JOUFSGBDF
    JP3FBEFS CVpP3FBEFS PT'JMF CVpP3FBEFS͕JP3FBEFSΛϥοϓͰ͖Δߏ଄
23. w JP3FBEFSΛϑΟʔϧυʹ࣋ͭ
    w ϑΟʔϧυʹ୅ೖ͞Ε͍ͯΔ۩৅Ϋ ϥεʹ͸Ұ੾ؔ༩͠ͳ͍ CVpPHP CVpP3FBEFS
24. ϑΝΠϧʹͯ͠΋ 3FBEFS͑͞ܧঝ͍ͯ͠Ε͹
    ԿͰ΋ࠩ͠ସ͑ΒΕΔ CVpP3FBEFS JOUFSGBDF
    JP3FBEFS JOUFSGBDF
    JP3FBEFS PT'JMF
25. ίωΫγϣϯʹͯ͠΋ 3FBEFS͑͞ܧঝ͍ͯ͠Ε͹
    ԿͰ΋ࠩ͠ସ͑ΒΕΔ CVpP3FBEFS JOUFSGBDF
    JP3FBEFS JOUFSGBDF
    JP3FBEFS OFU*1$POO
26. ࣗ࡞3FBEFSʹͯ͠΋ 3FBEFS͑͞ܧঝ͍ͯ͠Ε͹
    ԿͰ΋ࠩ͠ସ͑ΒΕΔ CVpP3FBEFS JOUFSGBDF
    JP3FBEFS JOUFSGBDF
    JP3FBEFS ࣗ࡞3FBEFS
27. "
    UPVS
    PG
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    305
28. JP3FBEFSͷԿ͕خ͍͔͠ʁ w ݺͼग़͠ݩ͔Β͢Ε͹ಡΈग़͠ݩͷιʔεΛҰ੾ҙࣝͤͣʹ͢Ή
    w JP3FBEFSʹ४ڌ͢Δͱಁաతʹ༷ʑͳػೳΛ֦ு͢Δ͜ͱ͕ग़དྷΔ
    w FH
    όοϑΝ͋Γ
    ϑΝΠϧιέοτ
    
    
    ૊Έ߹Θͤ͸ແݶେʂ ˞(P'ͷσβΠϯύλʔϯͰݴ͑͹$PNQPTJUF4UBSBUFHZύλʔϯʹ͍͔ۙ΋
29. w ಡΈࠐΈॲཧΛಁաతʹѻ͏ͨΊͷ3FBEFSʢඪ४ϥΠϒϥϦΑΓʣ
    w ໦૸ࠪΛݡ͘ಁաతʹѻ͏ͨΊͷ7JTJUPSʢݴޠॲཧܥΑΓʣ ࠓճ঺հ͢Δύλʔϯ
30. ίϯύΠϥͷಈ͖ ιʔείʔυ ࣈ۟ղੳ ߏจղੳ ҙຯղੳ ࠷దԽ ࣮ߦϑΝΠϧग़ྗ ˞࣮ࡍ͸΋͏গ͠ෳࡶͰ͢
31. ίϯύΠϥͷಈ͖ ̑
    
    
    
     ιʔείʔυ ࣈ۟ղੳ ߏจղੳ ҙຯղੳ ࠷దԽ ࣮ߦϑΝΠϧग़ྗ <
    ̑
    
    
    
    
    
    >
    
32. ίϯύΠϥͷಈ͖ ιʔείʔυ ࣈ۟ղੳ ߏจղੳ ҙຯղੳ ࠷దԽ ࣮ߦϑΝΠϧग़ྗ <
    ̑
    
    
    
    
    
    
    >
       ˎ
33. ίϯύΠϥͷಈ͖ ιʔείʔυ ࣈ۟ղੳ ߏจղੳ ҙຯղੳ ࠷దԽ ࣮ߦϑΝΠϧग़ྗ    ˎ ׂѪ
34. ໦ߏ଄Λ८ճ͍ͨ͠    ˎ ໦Λ͍͍ײ͡ʹ८ճͭͭ͠ɺͦͷϊʔυʹैͬͨॲཧΛ͍ͨ͠
35. ໦ߏ଄Λ८ճ͍ͨ͠ w 7JTJUPS͸໦Λ८ճ͢Δ
    w /PEF͸֤અ఺Λදݱ͢Δ
    w &YQS͸/PEFΛ֦ுͨ͠Πϯ λʔϑΣʔε BTUXBMLHP BTUBTUHP
36. /PEFͷछྨͨͪ   ˎ  /PEF
37. /PEFͷछྨͨͪ   ˎ  &YQS
38. /PEFͷछྨͨͪ JOUFSGBDF
    /PEF JOUFSGBDF
    &YQS JOUFSGBDF
    %FDM #BTJD-JU
    FH ੔਺Ϧςϥϧ #JOBSZ&YQS
    FH ೋ߲ԋࢉࢠ
    *EFOU
    FH ม਺ ʜ JOUFSGBDF
    4UNU
39. /PEFͷछྨͨͪ   ˎ  #JOBSZ&YQS #BTJD-JU
40. #BTJD-JU
41. #JOBSZ&YQS
42. ८ճ 8BML ͷಈ͖
       ˎ 7JTJUPS
43. ८ճ 8BML ͷಈ͖
       ˎ 7JTJUPS
44. ८ճ 8BML ͷಈ͖
       ˎ 7JTJUPS
45. ८ճ 8BML ͷಈ͖    ˎ 7JTJUPS 9 :
46. ८ճ 8BML ͷಈ͖    ˎ 7JTJUPS 9 :
47. ८ճ 8BML ͷಈ͖    ˎ 7JTJUPS
48. ८ճ 8BML ͷಈ͖    ˎ 7JTJUPS 9 :
49. ८ճ 8BML ͷಈ͖    ˎ 7JTJUPS
50. ८ճ 8BML ͷಈ͖    ˎ 7JTJUPS 9 :
51. ८ճ 8BML ͷಈ͖    ˎ 7JTJUPS
52. Կ͕خ͍͠ͷ͔ʁ w ८ճͱ๚໰࣌ͷϊʔυૢ࡞ͷ੹຿ͷ෼཭͕Ͱ͖Δ͜ͱ
    w ८ճ͸Ͳͷछྨͷϊʔυ͔ʹ͸ؔ༩ͤͣಁաతͳΞΫηε͕Ͱ͖Δ
    w ֤ϊʔυ͝ͱʹઐ༻ͷॲཧΛॻ͘ͷͰίʔυͷݟ௨͕͠ྑ͍
    w ϊʔυૢ࡞ʢ7JTJUʣΛϢʔβ͕֦ு͢Δ͜ͱ͕Ͱ͖Δ ˞(P'ͷσβΠϯύλʔϯͰݴ͑͹7JTJUPSύλʔϯʹ͍͕ۙɺ׬શʹҰக͍ͯ͠ΔΘ͚Ͱ͸ͳ͍
53. ࠓճ঺հͨ͠ύλʔϯ w ಡΈࠐΈॲཧΛಁաతʹѻ͏ͨΊͷ3FBEFSʢඪ४ϥΠϒϥϦΑΓʣ
    w ໦૸ࠪΛݡ͘ಁաతʹѻ͏ͨΊͷ7JTJUPSʢݴޠॲཧܥΑΓʣ
54. Ͳ͕͜ΦϒδΣΫτࢦ޲ͩͬͨͷ͔ʁ
55. w ಡΈࠐΈॲཧΛಁաతʹѻ͏ͨΊͷ3FBEFSʢඪ४ϥΠϒϥϦΑΓʣ
    w ໦૸ࠪΛݡ͘ಁաతʹѻ͏ͨΊͷ7JTJUPSʢݴޠॲཧܥΑΓʣ Ͳ͕͜ΦϒδΣΫτࢦ޲ͩͬͨͷ͔ʁ ݺͼग़͠ݩ͔Βৄࡉͷ࣮૷Λҙࣝ͠ͳ͍
    ৄࡉ͸ͦͷੑ࣭͝ͱʹಈ࡞͢Δ
56. Ͳ͕͜ΦϒδΣΫτࢦ޲ͩͬͨͷ͔ʁ w ಡΈࠐΈॲཧΛಁաతʹѻ͏ͨΊͷ3FBEFSʢඪ४ϥΠϒϥϦΑΓʣ
    w ໦૸ࠪΛݡ͘ಁաతʹѻ͏ͨΊͷ7JTJUPSʢݴޠॲཧܥΑΓʣ ΧϓηϧԽ
    ϙϦϞʔϑΟζϜ
57. ࠷ޙʹ lจ໌ͷਐา͸ɺਓ͕ҙࣝͤͣʹ਱ߦՄೳͳ
    ॏཁԋࢉͷ਺త֦େʹΑΓ΋ͨΒ͞ΕΔz "MGSFE
    /PSUI
    8IJUFIFBEʢ਺ֶऀʣ
    
58. ຊࢿྉ͸TQFBLFSEFDLʹͯެ։ࡁΈͰ͢ BETIPMPLP BETIPMPLP 5IBOL
    ZPV