Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
make and learn minimum golint
Search
Masayuki Morita
June 05, 2017
Programming
0
5.7k
make and learn minimum golint
Masayuki Morita
June 05, 2017
Tweet
Share
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
minamijoyo
16
21k
tfschemaの仕組み / How tfschema works
minamijoyo
2
720
SRE Lounge#2: SRE at CrowdWorks
minamijoyo
1
2.7k
BigData-JAWS #9: Data Analytics Infra for CrowdWorks
minamijoyo
3
570
20170605_make_and_learn_minimum_golint.pdf
minamijoyo
0
57
private_homebrew_20170525.pdf
minamijoyo
0
73
非公開な社内限のCLIツールを Homebrewで配布したい
minamijoyo
3
1k
Other Decks in Programming
See All in Programming
CSC305 Lecture 11
javiergs
PRO
0
300
チームの境界をブチ抜いていけ
tokai235
0
230
Vueのバリデーション、結局どれを選べばいい? ― 自作バリデーションの限界と、脱却までの道のり ― / Which Vue Validation Library Should We Really Use? The Limits of Self-Made Validation and How I Finally Moved On
neginasu
2
1.6k
ドメイン駆動設計のエッセンス
masuda220
PRO
13
4.4k
テーブル定義書の構造化抽出して、生成AIでDWH分析を試してみた / devio2025tokyo
kasacchiful
0
310
alien-signals と自作 OSS で実現する フレームワーク非依存な ロジック共通化の探求 / Exploring Framework-Agnostic Logic Sharing with alien-signals and Custom OSS
aoseyuu
2
740
Webサーバーサイド言語としてのRustについて
kouyuume
1
4.9k
Six and a half ridiculous things to do with Quarkus
hollycummins
0
220
Goで実践するドメイン駆動開発 AIと歩み始めた新規プロダクト開発の現在地
imkaoru
4
910
SODA - FACT BOOK(JP)
sodainc
1
8.9k
CSC305 Lecture 12
javiergs
PRO
0
240
CSC509 Lecture 07
javiergs
PRO
0
250
Featured
See All Featured
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
BBQ
matthewcrist
89
9.9k
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
1.7k
Why Our Code Smells
bkeepers
PRO
340
57k
Facilitating Awesome Meetings
lara
57
6.6k
Being A Developer After 40
akosma
91
590k
Rebuilding a faster, lazier Slack
samanthasiow
84
9.2k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
285
14k
Keith and Marios Guide to Fast Websites
keithpitt
411
23k
How GitHub (no longer) Works
holman
315
140k
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
2
94
Building a Modern Day E-commerce SEO Strategy
aleyda
44
7.8k
Transcript
࡞ֶͬͯͿ ϛχϚϜgolint GoݴޠLTେձ 2017/06/05 @minamijoyo
ࣗݾհ • ా ਅ೭ (Masayuki Morita) • Twitter/GitHub: @minamijoyo •
CrowdWorks Inc. • Πϯϑϥ୲ • ͍͍ͩͨAWS/Terraform/Dockerͱ͔͍ͬͯ͡Δ
Πϯϑϥ୲͕ࠓ͙͢ GoΛֶͿ͖3ͭͷཧ༝ 1. GoϛυϧΣΞCLIπʔϧ͕૿͖͑ͯͨɻ 2. bashεΫϦϓτͭΒ͍ɻGoॻָ͍͍ͯͯ͠ɻ 3. Gopher͘Μ͕͔Θ͍͍ɻ The Go
gopher was designed by Renée French.
ࠓͷςʔϚ: ࠷ۙɺgolintͰ༡ΜͰΈͨ
golintͯ͠·͔͢ʁ
golint • ެࣜͷLinter • GoͬΆ͘ͳ͍ίʔσΟϯάελΠϧΛࢦఠ $ go get -u github.com/golang/lint/golint
$ golint main.go main.go:6:2: var instanceId should be instanceID
Ͳ͏ͬͯఆͯ͠Δͷ͔ʁ
ͨͩͷࣙॻͩͬͨ (※࣮ࡍʹ୯ޠͷ్தͷͷݕग़͍ͯ͠ΔͷͰগ͠ෳࡶʣ https://github.com/golang/lint/blob/master/lint.go
͔͠͠ golintͷίʔυΛͨͩோΊͯͯ ੩తղੳ͕ ॳ৺ऀʹΑ͘Θ͔ΒΜͷͰ͢
ͦ͏ͩ golint࡞Ζ͏
ϓϩάϥϛϯάֶशͷجຊ: ·ͶΔ
࡞ֶͬͯͿ golint
ϛχϚϜͳཁ݅ • ػೳɿಛఆͷม໊Λ୳͢ • ೖྗɿ1ϑΝΠϧͷΈҾͰϑΝΠϧ໊Λ͢ • ग़ྗɿϚονͨ͠ϑΝΠϧ໊:ߦ:ΧϥϜΛදࣔ
80ߦ͙Β͍Ͱॻ͚ͨ
←ඪ४ͷgoύοέʔδΛ͏ ↓ҾͰೖྗϑΝΠϧ໊ΛΒ͏
↓ϑΝΠϧΛύʔεͯ͠ASTΛऔಘ
↑ࠨลͷࣝผࢠΛऔΓग़ͯ͠νΣοΫ ↑ASTΛ࠶ؼతʹ୳ࡧ ←มೖࣜΛ୳͢visitor
↑ม໊ʹϚονͨ͠ΒҐஔΛग़ྗ ←୳͢ม໊ͷఆٛ
มwallyΛ୳ͤ
wally + golint = wallint
$ wallint data/wally.go data/wally.go:6:2: wally was found
͔ͤͬ͘ͳͷͰ ΤσΟλʹΈࠐΜͰΈͨ
มwallyΛ୳ͤ
ҰॠͰӅΕͨมwallyΛݕग़
·ͱΊ • ϓϩάϥϛϯάͷجຊ·ͶΔ͜ͱ • ࡞ֶͬͯͿͱཧղ͕ਂ·Δ • આ໌ʹͬͨίʔυˣ • https://github.com/minamijoyo/wallint