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
20170605_make_and_learn_minimum_golint.pdf
Search
Masayuki Morita
June 05, 2017
0
53
20170605_make_and_learn_minimum_golint.pdf
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
20k
tfschemaの仕組み / How tfschema works
minamijoyo
2
690
SRE Lounge#2: SRE at CrowdWorks
minamijoyo
1
2.6k
BigData-JAWS #9: Data Analytics Infra for CrowdWorks
minamijoyo
3
560
make and learn minimum golint
minamijoyo
0
5.6k
private_homebrew_20170525.pdf
minamijoyo
0
64
非公開な社内限のCLIツールを Homebrewで配布したい
minamijoyo
3
1k
Featured
See All Featured
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
129
19k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
19
1.2k
Raft: Consensus for Rubyists
vanstee
137
7k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
45
9.6k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
180
53k
The Cult of Friendly URLs
andyhume
78
6.4k
Faster Mobile Websites
deanohume
307
31k
Music & Morning Musume
bryan
47
6.5k
ReactJS: Keep Simple. Everything can be a component!
pedronauck
667
120k
Documentation Writing (for coders)
carmenintech
71
4.8k
Build your cross-platform service in a week with App Engine
jlugia
231
18k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Transcript
࡞ֶͬͯͿ ϛχϚϜgolint @minamijoyo 2017/06/05
ࣗ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