Upgrade to Pro — share decks privately, control downloads, hide ads and more …

magic-comment-magic.pdf

Avatar for Koichi ITO Koichi ITO
July 18, 2019
Programming
1
390

 magic-comment-magic.pdf

平成.rb #6 (https://heiseirb.connpass.com/event/138210/)

Avatar for Koichi ITO

Koichi ITO

July 18, 2019
Tweet

More Decks by Koichi ITO

See All by Koichi ITO
Write Code Every Day
Avatar for Koichi ITO koic
1
2k
Bliki (ja), and the Cathedral, and the Bazaar
Avatar for Koichi ITO koic
7
2.7k
Welcome to the LLM Club
Avatar for Koichi ITO koic
0
330
RuboCop: Modularity and AST Insights
Avatar for Koichi ITO koic
3
4.9k
Carving the Way to Ruby Engineering
Avatar for Koichi ITO koic
3
1.1k
Beyond the RuboCop Defaults
Avatar for Koichi ITO koic
3
4.7k
Minify Ruby Code
Avatar for Koichi ITO koic
2
2.4k
Permanent Agility
Avatar for Koichi ITO koic
38
9.3k
RuboCop: LSP and Prism
Avatar for Koichi ITO koic
3
5.4k

Other Decks in Programming

See All in Programming
EMこそClaude Codeでコード調査しよう
Avatar for shibayu36 shibayu36
0
430
GC25 Recap: The Code You Reviewed is Not the Code You Built / #newt_gophercon_tour
Avatar for mazrean mazrean
0
110
AkarengaLT vol.38
Avatar for hashimoto-kei hashimoto_kei
1
120
Migration to Signals, Resource API, and NgRx Signal Store
Avatar for Manfred Steyer manfredsteyer
PRO
0
120
組込みだけじゃない！TinyGo で始める無料クラウド開発入門
Avatar for Kotaro Otaka otakakot
2
380
なぜGoのジェネリクスはこの形なのか？ - Featherweight Goが明かす設計の核心
Avatar for QualiArts qualiarts
0
260
開発組織の戦略的な役割と 設計スキル向上の効果
Avatar for 増田 亨 masuda220
PRO
9
1.6k
オープンソースソフトウェアへの解像度🔬
Avatar for うたもく utam0k
17
3.1k
NixOS + Kubernetesで構築する自宅サーバーのすべて
Avatar for ichi-h ichi_h3
0
1.2k
TransformerからMCPまで（現代AIを理解するための羅針盤）
Avatar for MIKIO KUBO mickey_kubo
7
5.4k
Catch Up: Go Style Guide Update
Avatar for ANDPAD inc andpad
0
250
モテるデスク環境
Avatar for mozumasu mozumasu
3
1.3k

Featured

See All Featured
The Pragmatic Product Professional
Avatar for Laura Van Doore lauravandoore
36
7k
The MySQL Ecosystem @ GitHub 2015
Avatar for Sam Lambert samlambert
251
13k
Building Adaptive Systems
Avatar for Chris Keathley keathley
44
2.8k
It's Worth the Effort
Avatar for 3n 3n
187
28k
BBQ
Avatar for Matthew Crist matthewcrist
89
9.9k
Building Flexible Design Systems
Avatar for Yesenia Perez-Cruz yeseniaperezcruz
329
39k
Producing Creativity
Avatar for Steve Smith orderedlist
PRO
347
40k
Six Lessons from altMBA
Avatar for Skipper Chong Warson skipperchong
29
4k
Agile that works and the tools we love
Avatar for Rasmus Luckow-Nielsen rasmusluckow
331
21k
The Straight Up "How To Draw Better" Workshop
Avatar for Dennis Kardys denniskardys
238
140k
Helping Users Find Their Own Way: Creating Modern Search Experiences
Avatar for Dan Newman danielanewman
30
2.9k
Designing Experiences People Love
Avatar for Jonathan Moore moore
142
24k

Transcript

  1.  -PT"OHFMFT

  2.  -PT"OHFMFT

  3.  -PT"OHFMFT ⏰⚡ 5JNFPVU

  4. *GJUEPFTOPUUJNFEPVU

  5.  8FE Magic comment magic ,PJDIJ*50&4. JOD 3VCZ$POG 5IF.JMMFOOJVN#JMUNPSF-PT"OHFMFT My

    memorial RuboCop’s issue 2018

  6.  5IV Magic comment magic ,PJDIJ*50&4. JOD )FJTFJSC 4IJCVZB +BQBO

    My memorial RuboCop’s issue 2018 Reiwa edition

  7. !LPJD w *DPNFGSPN5PLZP +BQBO w *`NXPSLJOHJO&4. JOD w 3VCP$PQDPNNJUUFS w

    "30SBDMFFOIBODFE BEBQUFSDPNNJUUFS w 3VCZ,BJHJTQFBLFS w 3VCZ,BJHJ-5FS

  8. "TJNJMBSOPUBUJPOT Ӭ࿨ &JXB4ZTUFN.BOBHFNFOU *OD ྩ࿨ 3FJXB

  9. "TJNJMBSOPUBUJPOT Ӭ࿨ &JXB4ZTUFN.BOBHFNFOU *OD /eiwa/i.match?('Eiwa') #=> true ྩ࿨ 3FJXB

  10. "TJNJMBSOPUBUJPOT Ӭ࿨ &JXB4ZTUFN.BOBHFNFOU *OD /eiwa/i.match?('Eiwa') #=> true ྩ࿨ 3FJXB /eiwa/i.match?('Reiwa')

    #=> true

  11. *DPNFGSPNFJXB

  12. 044

  13. Support coexistence with OSS community

  14. None

  15. 5IJTJTUIF3VCP$PQDPOUSJCVUPSTSBOLJOHUIJTZFBS

  16. 5IJTJTUIF3VCP$PQDPOUSJCVUPSTSBOLJOHUIJTZFBS *U`TNF

  17. *XJMMUBMLBCPVU lNBHJDDPNNFOUz XJUI3VCP$PQ UIJTQSFTFOUBUJPO

  18. 3VCZIBTUXPNBKPS NBHJDDPNNFOUGFBUVSFT

  19. 3VCZIBTUXPNBKPS NBHJDDPNNFOUGFBUVSFT w&ODPEJOHNBHJD DPNNFOU

  20. 3VCZIBTUXPNBKPS NBHJDDPNNFOUGFBUVSFT w&ODPEJOHNBHJD DPNNFOU w'SP[FOTUSJOHMJUFSBM NBHJDDPNNFOU

  21. &ODPEJOHNBHJDDPNNFOU # encoding: 'utf-8' # encoding: 'ascii'

  22. &ODPEJOHNBHJDDPNNFOU w5IJTNBHJDDPNNFOUNBLFTpMF FODPEJOHTQFDJpFECZFODPEJOH w*OUSPEVDFEGSPN3VCZ w4DSJQUFODPEJOHJT65'CZ EFGBVMUGSPN3VCZ w5IVTUIJTNBHJDDPNNFOUJT VOOFFEFEBMNPTUDBTFTDVSSFOUMZ

  23. # frozen_string_literal: true # frozen_string_literal: false 'SP[FOTUSJOHNBHJDDPNNFOU

  24. 'SP[FOTUSJOHNBHJDDPNNFOU w5IJTNBHJDDPNNFOUNBLFTGSP[FO TUSJOHMJUFSBMXIFUIFSPSOPU w*OUSPEVDFEGSPN3VCZ w3VCZPO3BJMTGSBNFXPSLDPEFT JOUSPEVDFEJUGSPN3BJMT w0OUIFPUIFSIBOE3BJMT HFOFSBUPSTEPFTOPUJODMVEFEJU

  25. 5IFSFJTBDPQ SFMBUFEUPUIFTF NBHJDDPNNFOUT

  26. SVCPDPQIRSVCPDPQ 'FBUVSF3FRVFTU8BSOJOWBMJEMPDBUJPOPG DPEJOHQSBHNB

  27. 5IJTJTBGFBUVSFSFRVFTUUP3VCP$PQ

  28. SVCPDPQIRSVCPDPQ <'JY>"EEOFXA-JOU0SEFSFE.BHJD$PNNFOUTADPQ

  29. 5IJTQVMMSFRVFTUIBTJNQMFNFOUFEUIFGFBUVSF

  30. "CPVUGFBUVSF w5IJTDPQDIFDLTDPEJOH NBHJDDPNNFOUTIPVMECF pSTUMJOF PSOFYUPGTIFCBOH
 
 
 


  31. "CPVUGFBUVSF w5IJTDPQDIFDLTDPEJOH NBHJDDPNNFOUTIPVMECF pSTUMJOF PSOFYUPGTIFCBOH w5IFOFYUTMJEFFYBNQMF FYQFDUFEUPGSP[FOTUSJOH BOE65'FODPEJOH

  32. #BEPSEFS # frozen_string_literal: true # encoding: ascii p [''.frozen?, ''.encoding]

    #=> [true, #<Encoding:UTF-8>] *UFYQFDUFE"4$**FODPEJOHCVUBDUVBMMZ65'FODPEJOH

  33. (PPEPSEFS # encoding: ascii # frozen_string_literal: true p [''.frozen?, ''.encoding]

    #=> [true, #<Encoding:US-ASCII>]

  34. (PPEPSEFS #!/usr/bin/env ruby # encoding: ascii # frozen_string_literal: true p

    [''.frozen?, ''.encoding] #=> [true, #<Encoding:US-ASCII>]

  35. 1SFWJPVTMZ  UIJTDPQIBE BQSPCMFN

  36. SVCPDPQIRSVCPDPQ -JOU0SEFSFE.BHJD$PNNFOUTSFQPSUTBUMJOFJTOPU BNBHJDDPNNFOU

  37. *UXBTBCVHSFQPSUGSPNNZ3VCZGSJFOE

  38. 5IJTJTBWBMJEDPEF # frozen_string_literal: true x = { encoding: Encoding::SJIS }

    puts x

  39. "OPGGFOTFPG 3VCP$PQPDDVST # frozen_string_literal: true x = { encoding: Encoding::SJIS

    } puts x test.rb:3:1: W: Lint/ OrderedMagicComments: The encoding magic comment should precede all other magic comments.

  40. SVCPDPQIRSVCPDPQ <'JY>'JYBGBMTFQPTJUJWFGPS A-JOU0SEFSFE.BHJD$PNNFOUTA

  41. *PQFOFEBQVMMSFRVFTUUPpYJU

  42. 5IJTJTUIFDPSFPGUIF QBUDI

  43. 5IFSFXBTBGBMTFQPTJUJWF UPNJTVOEFSTUBOEJOHUIF )BTIOPUBUJPOBTBO FODPEJOHNBHJDDPNNFOU

  44. "TJNJMBSOPUBUJPOT

  45. "TJNJMBSOPUBUJPOT .BHJDDPNNFOU # encoding: ascii

  46. "TJNJMBSOPUBUJPOT .BHJDDPNNFOU # encoding: ascii )BTI x = { encoding:

    Encoding::SJIS }

  47. "TJNJMBSOPUBUJPOT .BHJDDPNNFOU # encoding: ascii )BTI x = { encoding:

    Encoding::SJIS } ^^^^^^^^^^^^^^^^^^^^^^^^

  48. "TJNJMBSOPUBUJPOT .BHJDDPNNFOU # encoding: ascii ^^^^^^^^^^^^^^^ )BTI x = {

    encoding: Encoding::SJIS } ^^^^^^^^^^^^^^^^^^^^^^^^

  49. "TJNJMBSOPUBUJPOT # encoding: ascii ^^^^^^^^^^^^^^^ encoding: Encoding::SJIS ^^^^^^^^^^^^^^^^^^^^^^^^

  50. "TJNJMBSOPUBUJPOT encoding: ascii ^^^^^^^^^^^^^^^ encoding: Encoding::SJIS ^^^^^^^^^^^^^^^^^^^^^^^^

  51. )PXEPZPVMPPLTUIJT encoding: ascii ^^^^^^^^^^^^^^^ encoding: Encoding::SJIS ^^^^^^^^^^^^^^^^^^^^^^^^

  52. 5IJTQBUDIDIBOHFTUIF QBUUFSONBUDIPGUIF FODPEJOHNBHJDDPNNFOU UIBUCFHJOOJOHPGMJOF BMXBZTTUBSUTXJUIAA

  53. 5IFNBHJDDPNNFOUMJOF BMXBZTTUBSUTXJUIAA encoding: ascii ^^^^^^^^^^^^^^^ encoding: Encoding::SJIS ^^^^^^^^^^^^^^^^^^^^^^^^

  54. 5IFNBHJDDPNNFOUMJOF BMXBZTTUBSUTXJUIAA # encoding: ascii ^^^^^^^^^^^^^^^^^ encoding: Encoding::SJIS ^^^^^^^^^^^^^^^^^^^^^^^^

  55. 5IJTXBTBGVOOZCVH

  56. 4P ZPVDBOPQFO BOJTTVFPSB13 BMXBZT JGZPVpOEBCVHPS BOJTTVF

  57. :PVSJTTVFNBZCF BOZPOFTJTTVF

  58. 4FFZPVTPDJBMDPEJOH DPNNVOJUZXPSME XJUI3VCZ

  59. l /PXBZUPMJNJUPVS HPBMT8FMMpOEB SFBTPOUPCFMJFWF 'BDJOH/PWB&SB /PWB&SB