Kotlin Compiler Pluginで実現するCustom String Interpolation

Kotlin Fest 2025の資料です。

Transcript

1. !CF@IBTFF ,PUMJO
   $PNQJMFS
   1MVHJOͰ࣮ݱ͢Δ $VTUPN
   4USJOH
   *OUFSQPMBUJPO ,PUMJO
   'FTU
   
2. ࣗݾ঺հ w ௕୩෦
   ྑี
   w 9
   !CF@IBTFF
   w (JU)VC
   !CFIBTF
   w αʔόʔαΠυΤϯδχΞ
   w ೥͔Β+BWB
   ೥͔Β,PUMJOΛαʔόʔαΠυͷ։ൃͰར༻͍ͯ͠·͢
   w ෦෼తʹ͸೥͔Β,PUMJOΛ࢖͍ͬͯ·ͨ͠
3. ຊ೔ͷηογϣϯͷΞδΣϯμ  ,PUMJOͱଞݴޠͷจࣈྻิؒʹ͍ͭͯ
    ,PUMJO
   $PNQJMFS
   1MVHJOʹ͍ͭͯ
    ,PUMJO
   $PNQJMFS
   1MVHJOΛ࢖ͬͯจࣈྻิؒΛΧελϚΠζ͢Δ
    ࣮ྫ
   ,VFSZ
   $MJFOUͷ঺հ
4. ,PUMJOͱଞݴޠͷจࣈྻิؒʹ͍ͭͯ
5. ,PUMJOͷจࣈྻิؒ
   4USJOH
   *OUFSQPMBUJPO w จࣈྻิؒͱ͸ɺจࣈྻͷதʹม਺΍ࣜΛຒΊࠐΊΔ࢓૊Έ
   w ,PUMJOͰ͸ɺ
   ΍
   \^
   Λ࢖ͬͯهड़ جຊͷΩ
6. ,PUMJOͷจࣈྻิؒ
   4USJOH
   *OUFSQPMBUJPO w ΋ͪΖΜෳ਺ߦจࣈྻͷͱ͖Ͱ΋
   ࢖༻Ͱ͖Δ ෳ਺ߦจࣈྻͷέʔε
7. ༨ஊ
   ͸͡Ίͯ,PUMJOΛ࢖ͬͨΩοΧέ w +BWB࣌୅ɺෳ਺ߦจࣈྻ ςΩετ
   ϒϩοΫ ͕+BWBʹ͸ͳ͔ͬͨ
   w +BWB
   ͔Βొ৔
   w .Z#BUJT
   "OOPUBUJPOʹෳ਺ߦจࣈྻ
   Λ࢖͏ͨΊʹ෦෼తʹ,PUMJOΛ࠾༻
8. ,PUMJOͰ͸ݱঢ়ɺจࣈྻิ׬ΛΧεϚΠζ͢Δ͜ͱ͸Ͱ͖ͳ͍ w จࣈྻิ׬ͷΧελϚΠζͱ͸ɺྫ͑͹͜͏͍͏ػೳͷ͜ͱ
9. ଞͷݴޠͷྫ
   +BWB4DSJQUͷ5BHHFE
   5FNQMBUFT
10. ଞͷݴޠͷྫ
    +BWB4DSJQUͷ5BHHFE
    5FNQMBUFT POF
    \B^
    UXP
    \C^
    UISFF <POF
    
    UXP
    
    UISFF> <\B^
    \C^>
11. ଞͷݴޠͷྫ
    4DBMBͷ$VTUPN
    *OUFSQPMBUPST
12. ଞͷݴޠͷྫ
    +&1
    
    4USJOH
    5FNQMBUFT w +BWB
    ͔ΒϓϨϏϡʔͱͯ͠
    ొ৔͕ͨ͠ɺ+BWB
    ͔Β
    ͠Εͬͱফ͑ͨ
13. ຊ౰ʹ,PUMJOͰจࣈྻิؒΛΧελϚ Πζ͢Δ͜ͱ͸Ͱ͖ͳ͍ͷ͔ʁ
14. ,PUMJO
    $PNQJMFS
    1MVHJOΛ
    ࢖͑͹Ͱ͖Δʂ
15. ,PUMJO
    $PNQJMFS
    1MVHJOͱ͸ w ,PUMJO
    $PNQJMFSΛ֦ு͠ɺݴޠͷηϚϯςΟΫεΛมߋͰ͖Δػೳ
    w ͨͩ͠ɺ࣮ݧత͔ͭෆ҆ఆͳ"1*
    w ୯७ͳίʔυੜ੒ͳΒɺ,41 ,PUMJO
    4ZNCPM
    1SPDFTTJOH Λ࢖ͬͨ΄͏͕ ͍͍
16. ,PUMJO
    $PNQJMFS
    1MVHJOͷྫ
    +FU#SBJOTެࣜ w /PBSH
    w ಛఆΞϊςʔγϣϯ෇͖ΫϥεʹҾ਺ͳ͠ίϯετϥΫλΛࣗಈੜ੒
    IUUQTLPUMJOMBOHPSHEPDTOPBSHQMVHJOIUNM
    w "MMPQFO
    w ಛఆΞϊςʔγϣϯ෇͖ΫϥεΛࣗಈతʹPQFOԽ
    IUUQTLPUMJOMBOHPSHEPDTBMMPQFOQMVHJOIUNM
    w LPUMJOYTFSJBMJ[BUJPO
    w 4FS%Fίʔυͷੜ੒
    IUUQTHJUIVCDPN,PUMJOLPUMJOYTFSJBMJ[BUJPO
    w 1PXFSBTTFSU
    w ΞαʔγϣϯϨϙʔτΛڧԽ
    IUUQTLPUMJOMBOHPSHEPDTQPXFSBTTFSUIUNM
17. ,PUMJO
    $PNQJMFS
    1MVHJOͷྫ
    SE
    QBSUZ w ,41
    ,PUMJO
    4ZNCPM
    1SPDFTTJOH
    w ܰྔͰߴ଎ͳίϯύΠϥϓϥάΠϯ։ൃΛ࣮ݱ
    IUUQTHJUIVCDPNHPPHMFLTQ
    w .PLLFSZ
    w ,PUMJO
    .VMUJQMBUGPSN༻ͷϞοΫϥΠϒϥϦ
    IUUQTHJUIVCDPNMVQVVTT.PLLFSZ
    w .BQQJF
    w ߴੑೳͳΦϒδΣΫτϚοϐϯάΛࣗಈੜ੒͢Δ,PUMJO
    .VMUJQMBUGPSNϓϥάΠϯ
    IUUQTHJUIVCDPN.S.BQQJFNBQQJF
18. ,PUMJO
    $PNQJMFS LU DMBTT KT TP ,PUMJO
    $PNQJMFS
19. ,PUMJO
    $PNQJMFS ύʔεղੳ౳ ग़ྗ LU DMBTT KT 'SPOUFOE #BDLFOE '*3 ʜ *3 ʜ TP '*3
    
    'SPOUFOE
    *OUFSNFEJBUF
    3FQSFTFOUBUJPO *3
    
    *OUFSNFEJBUF
    3FQSFTFOUBUJPO
20. ,PUMJO
    $PNQJMFS ύʔεղੳ౳ ग़ྗ LU DMBTT KT 'SPOUFOE #BDLFOE '*3 ʜ *3 ʜ TP '*3
    
    'SPOUFOE
    *OUFSNFEJBUF
    3FQSFTFOUBUJPO *3
    
    *OUFSNFEJBUF
    3FQSFTFOUBUJPO $PNQJMFS
    1MVHJOΛ༻͍Δͱɺ
    'SPOUFOE͕ੜ੒͢Δ'*3ͱ#BDLFOE͕ੜ੒͢Δ*3Λ֦ு͢Δ͜ͱ͕Ͱ͖·͢
21. '*3֦ுͱ*3֦ுͷҧ͍ w '*3֦ுΛ࢖༻͢Δέʔε
    w ੩తղੳ
    w *3֦ுΛ࢖༻͢Δέʔε
    w ίʔυͷੜ੒มߋ
    w ϥϯλΠϜ࣌ͷڍಈมߋ
    w 
    จࣈྻิؒΛΧελϚΠζ͢Δ৔߹͸*3֦ு
22. ΑΓৄࡉʹ஌Γ͍ͨ৔߹ w ΋ͬͱ,PUMJOΛ޷͖ʹͳΔʂ,࣌୅ͷ,PUMJO
    $PNQJMFS
    1MVHJO։ൃ
    IUUQTXXXZPVUVCFDPNXBUDI W,F2ZB-'@"
    ,PUMJO
    'FTU
    
    w 8SJUJOH
    :PVS
    5IJSE
    ,PUMJO
    $PNQJMFS
    1MVHJO
    IUUQTXXXZPVUVCFDPNXBUDI W1R6(J@HD
    ,PUMJO$POG
    
    w 8SJUJOH
    B
    ,PUMJO
    $PNQJMFS
    1MVHJO
    IUUQTXXXZPVUVCFDPNXBUDI W7S*4;J,H
23. ,PUMJO
    $PNQJMFS
    1MVHJOΛ࢖ͬͯ
    จࣈྻิؒΛΧελϚΠζ͢Δ
24. ΍Γ͖ͨ͜ͱ
    
    ΰʔϧ ࣮ߦ݁Ռ
25. ΍Γ͖ͨ͜ͱ
    
    ΰʔϧ ࣮ߦ݁Ռ
26. ΍Γ͖ͨ͜ͱ
    
    ΰʔϧ ࣮ߦ݁Ռ
27. ΍Γ͖ͨ͜ͱ
    
    ΰʔϧ ࣮ߦ݁Ռ
28. ࠓճ࡞Δ$PNQJMFS
    1MVHJOʹ͍ͭͯ w ίʔυશମ͸ͪ͜Βʹެ։͍ͯ͠·͢
    w IUUQTHJUIVCDPNCFIBTFLPUMJOGFTU
    w ࠓճ͸࠷খߏ੒Ͱ࡞੒͠·͢
    w ࣮ࡍ͸ɺ(SBEMF
    1MVHJOͱͯ͠ఏڙ͢Δ͜ͱ͕Ұൠత
29. w ▶
    DPNQJMFSQMVHJO
    w ▶
    FYBNQMF
30. w ˝
    DPNQJMFSQMVHJO
    w CVJMEHSBEMFLUT
    w TSDNBJO
    w LPUMJO
    w QMVHJO
    w 4RM*OUFSQPMBUJPO$PNQJMFS 1MVHJO3FHJTUSBSLU
    w 4RM*OUFSQPMBUJPO*S(FOFSBUJ PO&YUFOTJPOLU
    w 4RM*OUFSQPMBUJPO5SBOTGPS NFSLU
    w SFTPVSDFT
    w .&5"*/'TFSWJDFT
    w PSHKFUCSBJOTLPUMJODPNQJM FSQMVHJO$PNQJMFS1MVHJO3 FHJTUSBS
    w ▶
    FYBNQMF
31. w ˝
    DPNQJMFSQMVHJO
    w CVJMEHSBEMFLUT
    w TSDNBJO
    w LPUMJO
    w QMVHJO
    w 4RM*OUFSQPMBUJPO$PNQJMFS 1MVHJO3FHJTUSBSLU
    w 4RM*OUFSQPMBUJPO*S(FOFSBUJ PO&YUFOTJPOLU
    w 4RM*OUFSQPMBUJPO5SBOTGPS NFSLU
    w SFTPVSDFT
    w .&5"*/'TFSWJDFT
    w PSHKFUCSBJOTLPUMJODPNQJM FSQMVHJO$PNQJMFS1MVHJO3 FHJTUSBS
    w ▶
    FYBNQMF
32. w ˝
    DPNQJMFSQMVHJO
    w CVJMEHSBEMFLUT
    w TSDNBJO
    w LPUMJO
    w QMVHJO
    w 4RM*OUFSQPMBUJPO$PNQJMFS 1MVHJO3FHJTUSBSLU
    w 4RM*OUFSQPMBUJPO*S(FOFSBUJ PO&YUFOTJPOLU
    w 4RM*OUFSQPMBUJPO5SBOTGPS NFSLU
    w SFTPVSDFT
    w .&5"*/'TFSWJDFT
    w PSHKFUCSBJOTLPUMJODPNQJM FSQMVHJO$PNQJMFS1MVHJO3 FHJTUSBS
    w ▶
    FYBNQMF w ࡞੒ͨ͠4RM*OUFSQPMBUJPO*S(FOFSBUJPO&YUFOTJPOΛొ࿥
33. w ˝
    DPNQJMFSQMVHJO
    w CVJMEHSBEMFLUT
    w TSDNBJO
    w LPUMJO
    w QMVHJO
    w 4RM*OUFSQPMBUJPO$PNQJMFS 1MVHJO3FHJTUSBSLU
    w 4RM*OUFSQPMBUJPO*S(FOFSBUJ PO&YUFOTJPOLU
    w 4RM*OUFSQPMBUJPO5SBOTGPS NFSLU
    w SFTPVSDFT
    w .&5"*/'TFSWJDFT
    w PSHKFUCSBJOTLPUMJODPNQJM FSQMVHJO$PNQJMFS1MVHJO3 FHJTUSBS
    w ▶
    FYBNQMF w ࡞੒ͨ͠4RM*OUFSQPMBUJPO5SBOTGPSNFSΛద༻
34. w ˝
    DPNQJMFSQMVHJO
    w CVJMEHSBEMFLUT
    w TSDNBJO
    w LPUMJO
    w QMVHJO
    w 4RM*OUFSQPMBUJPO$PNQJMFS 1MVHJO3FHJTUSBSLU
    w 4RM*OUFSQPMBUJPO*S(FOFSBUJ PO&YUFOTJPOLU
    w 4RM*OUFSQPMBUJPO5SBOTGPS NFSLU
    w SFTPVSDFT
    w .&5"*/'TFSWJDFT
    w PSHKFUCSBJOTLPUMJODPNQJM FSQMVHJO$PNQJMFS1MVHJO3 FHJTUSBS
    w ▶
    FYBNQMF w *3֦ுίʔυͷຊମ
    w ޙͰৄ͘͠ղઆ
35. w ˝
    DPNQJMFSQMVHJO
    w CVJMEHSBEMFLUT
    w TSDNBJO
    w LPUMJO
    w QMVHJO
    w 4RM*OUFSQPMBUJPO$PNQJMFS 1MVHJO3FHJTUSBSLU
    w 4RM*OUFSQPMBUJPO*S(FOFSBUJ PO&YUFOTJPOLU
    w 4RM*OUFSQPMBUJPO5SBOTGPS NFSLU
    w SFTPVSDFT
    w .&5"*/'TFSWJDFT
    w PSHKFUCSBJOTLPUMJODPNQJM FSQMVHJO$PNQJMFS1MVHJO3 FHJTUSBS
    w ▶
    FYBNQMF w 4FSWJDF
    -PBEFS͕࢖ΘΕ͍ͯΔͷͰ
    $PNQJMFS1MVHJO3FHJTUSBSͷ'2%/Λઃஔ
36. w ▶
    DPNQJMFSQMVHJO
    w ˝
    FYBNQMF
    w CVJMEHSBEMFLUT
    w TSDNBJOLPUMJOFYBNQMF
    w .BJOLU
37. w ▶
    DPNQJMFSQMVHJO
    w ˝
    FYBNQMF
    w CVJMEHSBEMFLUT
    w TSDNBJOLPUMJOFYBNQMF
    w .BJOLU w LPUMJO$PNQJMFS1MVHJO$MBTTQBUI
    DPO fi HVSBUJPOΛ࢖ͬͯɺ
    DPNQJMFSQMVHJO
    QSPKFDUʹґଘͤ͞Δ
38. w ▶
    DPNQJMFSQMVHJO
    w ˝
    FYBNQMF
    w CVJMEHSBEMFLUT
    w TSDNBJOLPUMJOFYBNQMF
    w .BJOLU w ࠶ܝ
39. *3
    &MFNFOU
    5SFF
40. *3
    &MFNFOU
    5SFF
41. *S&MFNFOU5SBOTGPSNFS w 7JTJUPSύλʔϯͰ
    *3
    &MFNFOU
    5SFFΛ૸ࠪ
    w ೚ҙͷ*3
    &MFNFOUΛมߋͰ͖Δ
42. վม͍ͨ͠ιʔείʔυ
43. վม͍ͨ͠*3
    &MFNFOU *S$BMM
    TRM
    GVODUJPOݺͼग़͠
    ͱ
    *S$POTU
    Ҿ਺ͷจࣈྻϦςϥϧ
    Λมߋ͍ͨ͠
44. վม͍ͨ͠*3
    &MFNFOU *S$BMM
    TRM
    GVODUJPOݺͼग़͠
    ͱ
    *S4USJOH$PODBUFOBUJPO Ҿ਺ͷจࣈྻิؒ
    Λมߋ͍ͨ͠
64. ׬੒
    
65. ࣮ߦ͢Δͧ
    
66. ಈ͍ͨ
    
67. 5JQT
    DPNQJMFSQMVHJOUFNQMBUF w ެࣜͰఏڙ͍ͯ͠Δ5FNQMBUF
    3FQPTJUPSZ
    w IUUQTHJUIVCDPN,PUMJODPNQJMFSQMVHJOUFNQMBUF
68. 5JQT
    LPUMJODPNQJMFUFTUJOH w IUUQTHJUIVCDPN;BD4XFFST LPUMJODPNQJMFUFTUJOH
    w 6OJU
    5FTUͰίϯύΠϧͷςετ͕Ͱ͖Δ
    w *%&"ͷ%FCVHHFSΛࢗͯ͠ݕূͰ͖Δͷ Ͱศར
69. 5JQT
    '*3
    5SFF
    *%&"
    1MVHJO IUUQTQMVHJOTKFUCSBJOTDPNQMVHJO fi SUSFF
70. 5JQT
    LPUMJOJSFYQMPSFS IUUQTHJUIVCDPNZBJSNLPUMJOJSFYQMPSFS
71. ࣮ྫ
    ,VFSZ
    $MJFOUͷ঺հ IUUQTLVFSZDMJFOUITCSZTLEFW
72. ,VFSZ
    $MJFOUͷ֓؍ w VOBSZ1MVT Λ࢖ͬͯɺ42-Λ૊ΈཱͯΔ
    w ಈతʹ42-Λߏங͍ͨ࣌͠͸ɺJGGPS౳Λ࢖͏
    w ಈతʹ૊ΈཱͯΔඞཁ͕ͳ͍ͳΒɺώΞυΩϡ ϝϯτͰϕλॻ͖
    w ม਺஋ΛຒΊࠐΈ͍ͨ࣌͸ɺจࣈྻิؒΛར༻ MJTU
73. ༨ஊ
    LPUMJOYIUNM
74. #BTFE
    PO
    TQSJOHEBUBKECD
    PS
    TQSJOHEBUBSECD w ,VFSZ
    $MJFOU͸42-ˍύϥϝʔλͷ
    ߏங͕ओͳ໾ׂ
    w େࣄͳ෦෼͸޿͘࢖ΘΕ͍ͯΔ
    TQSJOHEBUB͕୲౰
    w +%#$3%#$྆ํʹରԠ
    w 3%#$ͷ৔߹͸TVTQFOE
    GVOʹͳΔ ,VFSZ
    $MJFOU TQSJOHEBUBKECD TQSJOHEBUBSECD +%#$ 3%#$ 3FMBUJPOBM
    %BUBCBTF 42-
    
    ύϥϝʔλ 42-
    
    ύϥϝʔλ
75. 'FBUVSFT w 5SBOTBDUJPO
    w 5ZQF
    $POWFSTJPO
    w 0CTFSWBUJPO 4QSJOHͷ!5SBOTBDUJPOBM͕࢖͑Δ
76. 'FBUVSFT w 5SBOTBDUJPO
    w 5ZQF
    $POWFSTJPO
    w 0CTFSWBUJPO 4QSJOHͷ5ZQF
    $POWFSTJPO͕࢖͑Δ
77. 'FBUVSFT w 5SBOTBDUJPO
    w 5ZQF
    $POWFSTJPO
    w 0CTFSWBUJPO
    w .JDSPNFUFS
    0CTFSWBUJPOʹରԠ
    w ˠ
    .FUSJDT
    5SBDJOH
    -PHHJOHʹରԠ
78. ͓ΘΓ Έͳ͞Μ΋ྑ͔ͬͨΒੋඇɺศརͰ໘ന͍$PNQJMFS
    1MVHJOΛ࡞ͬͯΈ͍ͯͩ͘͞ʂ
    ,PUMJOΛѪͰ͍͍͖ͯ·͠ΐ͏