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

magic-comment-magic.pdf

023b04c98f39cc041293d780352432ff?s=47 Koichi ITO
July 18, 2019
Programming
1
310

 magic-comment-magic.pdf

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

023b04c98f39cc041293d780352432ff?s=128

Koichi ITO

July 18, 2019
Tweet

More Decks by Koichi ITO

See All by Koichi ITO
Contribution Hatching: By RuboCop
023b04c98f39cc041293d780352432ff?s=48 koic
1
690
The three great virtues are important
023b04c98f39cc041293d780352432ff?s=48 koic
13
2.3k
Formula of Software Estimation
023b04c98f39cc041293d780352432ff?s=48 koic
10
2.9k
RuboCop in 2021: Stable and Beyond
023b04c98f39cc041293d780352432ff?s=48 koic
0
1k
TDD with git. Long live engineering.
023b04c98f39cc041293d780352432ff?s=48 koic
5
3k
Road to RuboCop 1.0
023b04c98f39cc041293d780352432ff?s=48 koic
1
5.3k
Breaking Change
023b04c98f39cc041293d780352432ff?s=48 koic
0
2.3k
Project automation for internal affairs
023b04c98f39cc041293d780352432ff?s=48 koic
1
3.3k
Retrospective issue feedback to Ruby platforms
023b04c98f39cc041293d780352432ff?s=48 koic
1
250

Other Decks in Programming

See All in Programming
Get Ready for Jakarta EE 10
B489790e1a844284d7cd1fa2cd6e021f?s=48 ivargrimstad
0
2.2k
2022 FrontEnd Training
B16717ef4b7aab0b253d933c3934f280?s=48 mixi_engineers
1
280
Angular's new Standalone Components: How Will They Affect My Architecture? @iJS London 2022
15934fa2aa7b2ce21f091e9b7cffa856?s=48 manfredsteyer
PRO
0
390
Node.js 最新動向 TFCon 2022
D76231a2114896dfcc7b79ac69558b79?s=48 yosuke_furukawa
PRO
6
2.8k
Jetpack Compose 頑張らないPreviewParameterProvider
785263a3fda3ca9334daeac85c32927f?s=48 horie23
0
100
Explore Java 17 and beyond
F784a8de872a5d98f67ac5ccbd6683d0?s=48 josepaumard
3
650
Learning DDD輪読会#4 / Learning DDD Book Club #4
E10ba38646a905c8cd2c893c84d5c520?s=48 suzushin54
1
130
職場にPythonistaを増やす方法
86b349524dfba1c635e944f2a9c92e91?s=48 soogie
0
300
Microsoft Teams の 会議アプリ開発のはじめかた / How to start Microsoft Teams app development
9cdd446fb259ec93e52d4388f60197f8?s=48 karamem0
0
1.6k
Kotlin KSP - Intro
7589a5a8fec022e8af4e46525150a291?s=48 taehwandev
1
470
スモールチームがAmazon Cognitoでコスパよく作るサービス間連携認証
87980686562669ac5ec4617ca53047f9?s=48 tacke_jp
2
330
dbtとBigQueryで始めるData Vault入門
F2bd408c57c20505bd4202c9e28ecd59?s=48 kazk1018
0
180

Featured

See All Featured
CSS Pre-Processors: Stylus, Less & Sass
7559f6cff1f5efc2d210965febd4d71c?s=48 bermonpainter
349
27k
What the flash - Photography Introduction
5ce91fa49a613cbc3e20d5f96856473f?s=48 edds
61
9.9k
Raft: Consensus for Rubyists
B6a8f005f39d23ffc930508ac9da68b9?s=48 vanstee
126
5.4k
WebSockets: Embracing the real-time Web
E76911cbe088e5b850d966de3fc7435b?s=48 robhawkes
57
5k
Debugging Ruby Performance
D47656e20ff5e42f125fc5ea0fd636c6?s=48 tmm1
65
10k
How to Ace a Technical Interview
2f5463832ccb768ccb4a1ca3607c27ef?s=48 jacobian
265
21k
Gamification - CAS2011
4394ceb8b277f35ee3da7030384efb5d?s=48 davidbonilla
75
3.9k
Navigating Team Friction
245cee81a9c424266e5e401d844ea881?s=48 lara
175
11k
Statistics for Hackers
56c4053438af8e8b90d6f53cbb7573be?s=48 jakevdp
781
210k
Pencils Down: Stop Designing & Start Developing
79acae287842acf29084005533a7fb3b?s=48 hursman
112
9.8k
Building Your Own Lightsaber
Fe6b81005d1553accd6b2a28f6a2bef1?s=48 phodgson
94
4.6k
Ruby is Unlike a Banana
6804f1775cb4babfcc3851298566fbce?s=48 tanoku
91
9.2k

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