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

20170605_make_and_learn_minimum_golint.pdf

Avatar for Masayuki Morita Masayuki Morita
June 05, 2017
76
0

 20170605_make_and_learn_minimum_golint.pdf

Avatar for Masayuki Morita

Masayuki Morita

June 05, 2017

More Decks by Masayuki Morita

See All by Masayuki Morita
.terraform.lock.hcl 完全に理解した / How to update .terraform.lock.hcl efficiently
Avatar for Masayuki Morita minamijoyo
16
22k
tfschemaの仕組み / How tfschema works
Avatar for Masayuki Morita minamijoyo
2
770
SRE Lounge#2: SRE at CrowdWorks
Avatar for Masayuki Morita minamijoyo
1
2.9k
BigData-JAWS #9: Data Analytics Infra for CrowdWorks
Avatar for Masayuki Morita minamijoyo
3
600
make and learn minimum golint
Avatar for Masayuki Morita minamijoyo
0
5.8k
private_homebrew_20170525.pdf
Avatar for Masayuki Morita minamijoyo
0
100
非公開な社内限のCLIツールを Homebrewで配布したい
Avatar for Masayuki Morita minamijoyo
3
1.1k

Featured

See All Featured
The untapped power of vector embeddings
Avatar for Frank van Dijk frankvandijk
2
1.8k
Gemini Prompt Engineering: Practical Techniques for Tangible AI Outcomes
Avatar for Mfonobong Umondia mfonobong
2
460
How GitHub (no longer) Works
Avatar for Zach Holman holman
316
150k
Design in an AI World
Avatar for tapps tapps
1
260
Agile Actions for Facilitating Distributed Teams - ADO2019
Avatar for Mark Kilby mkilby
0
220
コードの90%をAIが書く世界で何が待っているのか / What awaits us in a world where 90% of the code is written by AI
Avatar for r-kagaya rkaga
62
44k
Ethics towards AI in product and experience design
Avatar for Skipper Chong Warson skipperchong
2
330
Java REST API Framework Comparison - PWX 2021
Avatar for Matt Raible mraible
34
9.5k
The Straight Up "How To Draw Better" Workshop
Avatar for Dennis Kardys denniskardys
239
140k
Marketing to machines
Avatar for Jono Alderson jonoalderson
1
5.6k
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.6k
KATA
Avatar for Megan Lloyd mclloyd
PRO
35
15k

Transcript

  1. ࡞ֶͬͯͿ ϛχϚϜgolint @minamijoyo 2017/06/05

  2. ࣗݾ঺հ • ৿ా ਅ೭ (Masayuki Morita) • Twitter/GitHub: @minamijoyo •

    CrowdWorks Inc. • Πϯϑϥ୲౰ • ͍͍ͩͨAWS/Terraform/Dockerͱ͔͍ͬͯ͡Δ

  3. Πϯϑϥ୲౰͕ࠓ͙͢ GoΛֶͿ΂͖3ͭͷཧ༝ 1. Go੡ϛυϧ΢ΣΞ΍CLIπʔϧ͕૿͖͑ͯͨɻ 2. bashεΫϦϓτͭΒ͍ɻGo͸ॻָ͍͍ͯͯ͠ɻ 3. Gopher͘Μ͕͔Θ͍͍ɻ The Go

    gopher was designed by Renée French.

  4. ࠓ೔ͷςʔϚ: ࠷ۙɺgolintͰ༡ΜͰΈͨ࿩

  5. golintͯ͠·͔͢ʁ

  6. golint • ެࣜͷLinter • GoͬΆ͘ͳ͍ίʔσΟϯάελΠϧΛࢦఠ $ go get -u github.com/golang/lint/golint

  7. $ golint main.go main.go:6:2: var instanceId should be instanceID

  8. Ͳ͏΍ͬͯ൑ఆͯ͠Δͷ͔ʁ

  9. ͨͩͷࣙॻͩͬͨ (※࣮ࡍʹ͸୯ޠͷ్தͷ΋ͷ΋ݕग़͍ͯ͠ΔͷͰগ͠ෳࡶʣ https://github.com/golang/lint/blob/master/lint.go

  10. ͔͠͠ golintͷίʔυΛͨͩோΊͯͯ΋ ੩తղੳ͕ ॳ৺ऀʹΑ͘Θ͔ΒΜͷͰ͢

  11. ͦ͏ͩ golint࡞Ζ͏

  12. ϓϩάϥϛϯάֶशͷجຊ: ·ͶΔ

  13. ࡞ֶͬͯͿ golint

  14. ϛχϚϜͳཁ݅ • ػೳɿಛఆͷม਺໊Λ୳͢ • ೖྗɿ1ϑΝΠϧͷΈҾ਺ͰϑΝΠϧ໊Λ౉͢ • ग़ྗɿϚονͨ͠ϑΝΠϧ໊:ߦ਺:ΧϥϜΛදࣔ

  15. 80ߦ͙Β͍Ͱॻ͚ͨ

  16. ←ඪ४ͷgoύοέʔδΛ࢖͏ ↓Ҿ਺ͰೖྗϑΝΠϧ໊Λ΋Β͏

  17. ↓ϑΝΠϧΛύʔεͯ͠ASTΛऔಘ

  18. ↑ࠨลͷࣝผࢠΛऔΓग़ͯ͠νΣοΫ ↑ASTΛ࠶ؼతʹ୳ࡧ ←ม਺୅ೖࣜΛ୳͢visitor

  19. ↑ม਺໊ʹϚονͨ͠ΒҐஔΛग़ྗ ←୳͢ม਺໊ͷఆٛ

  20. ม਺wallyΛ୳ͤ

  21. wally + golint = wallint

  22. $ wallint data/wally.go data/wally.go:6:2: wally was found

  23. ͔ͤͬ͘ͳͷͰ ΤσΟλʹ૊ΈࠐΜͰΈͨ

  24. ม਺wallyΛ୳ͤ

  25. ҰॠͰӅΕͨม਺wallyΛݕग़

  26. ·ͱΊ • ϓϩάϥϛϯάͷجຊ͸·ͶΔ͜ͱ • ࡞ֶͬͯͿͱཧղ͕ਂ·Δ • આ໌ʹ࢖ͬͨίʔυˣ • https://github.com/minamijoyo/wallint