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
Backside of coverage measurement of Go
Search
po3rin
May 20, 2019
Programming
1
94
Backside of coverage measurement of Go
Go Conference Tokyo 二次会のLTです!Goのカバレッジ計測の裏側について
po3rin
May 20, 2019
Tweet
Share
More Decks by po3rin
See All by po3rin
M3におけるCI/CDパイプラインを新鮮に保つ仕組み
po3rin
0
360
Go Templateを使った フロントエンド開発を採用した 経緯と所感
po3rin
1
340
検索基盤移行時の思考
po3rin
0
4.3k
Go1.19で採用された Pattern-defeating Quicksort の紹介
po3rin
7
6.1k
Elasticsearchを負荷から守るesguard
po3rin
0
300
Sudachi×Elasticsearchへの移行と医療検索システム精度改善
po3rin
1
930
eskeeperを使ったファイル定義によるindex管理
po3rin
2
510
M3 情報検索/推薦論文輪読会 ~SIGIR祭~ (SIGIR2021: Session 6D – IR Models)
po3rin
0
130
Handling Temporal Query for Health Search with ja-timex
po3rin
3
350
Other Decks in Programming
See All in Programming
チームで開発し事業を加速するための"良い"設計の考え方 @ サポーターズCoLab 2025-07-08
agatan
1
420
0626 Findy Product Manager LT Night_高田スライド_speaker deck用
mana_takada
0
170
VS Code Update for GitHub Copilot
74th
2
650
Startups on Rails in Past, Present and Future–Irina Nazarova, RailsConf 2025
irinanazarova
0
110
チームのテスト力を総合的に鍛えて品質、スピード、レジリエンスを共立させる/Testing approach that improves quality, speed, and resilience
goyoki
5
880
PostgreSQLのRow Level SecurityをPHPのORMで扱う Eloquent vs Doctrine #phpcon #track2
77web
2
530
Composerが「依存解決」のためにどんな工夫をしているか #phpcon
o0h
PRO
1
260
Porting a visionOS App to Android XR
akkeylab
0
460
5つのアンチパターンから学ぶLT設計
narihara
1
170
Node-RED を(HTTP で)つなげる MCP サーバーを作ってみた
highu
0
120
脱Riverpod?fqueryで考える、TanStack Queryライクなアーキテクチャの可能性
ostk0069
0
140
Google Agent Development Kit でLINE Botを作ってみた
ymd65536
2
250
Featured
See All Featured
Balancing Empowerment & Direction
lara
1
430
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
130
19k
Optimizing for Happiness
mojombo
379
70k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
Scaling GitHub
holman
460
140k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
2.9k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
46
9.6k
Thoughts on Productivity
jonyablonski
69
4.7k
Unsuck your backbone
ammeep
671
58k
How to Think Like a Performance Engineer
csswizardry
25
1.7k
Making the Leap to Tech Lead
cromwellryan
134
9.4k
Transcript
Backside of coverage measurement In Go Gopher Conference Tokyo 2019
Spring Second party May 20, 2019 @ po3rin
@po3rin Software Enginner @ Shiroyagi Corporation QBHF Golang / Python
/ Rust / Docker / AWS / Elasticsearch
QBHF (P$POGFSFODF5PLZP4QSJOHͰొஃ͠·ͨ͠ʂʂ IUUQTTQFBLFSEFDLDPNQPSJOEJWFJOUPCVJMELJUMMCXJUIHP
QBHF Introduction \
QBHF (Pඪ४ͰςετΧόϨοδΛऔΕΔ Coverage of Go Ὂ
QBHF What happened Ὂ ۀͰ$PWFSBHFͷؔͰΤϥʔ͕ɻɻͦ ͜Ͱؾ͍ͮͨ(PͷΧόϨοδͷ୲อ͢ΔͷͱԿ ͳͷ͔ΛΧόϨοδܭଌͷ࣮͔ΒௐͯΈ·ͨ͠
QBHF ɾ(PͷΧόϨοδ͕ͲͷΑ͏ʹߦΘΕ͍ͯΔ ͍ͷ͔ΛཧղͰ͖Δ ɾ(PͷΧόϨοδͷܭଌํ๏͔Β։ൃ࣌ʹ ҙ͢Δ͖͜ͱΛֶΔ Ὂ the benefits of this
talk
QBHF Reading Go source code of “cover” \
QBHF Reading Go source code of “cover” (1) Ὂ HJUIVCDPNHPMBOHHP
TSDDNEDPWFS DPWFSHP
QBHF Reading Go source code of “cover” (2) Ὂ QBSTFS1BSTF'JMFͰ(PϑΝΠϧΛ੩తղੳ͍ͯ͠Δɻ
FSSলུ
QBHF Reading Go source code of “cover” (3) Ὂ QBSTFS1BSTF'JMFͰಘͨ
BTU'JMFΛ͞Βʹಠࣗͷ DPWFS'JMFߏମʹ֨ೲ͍ͯ͠ ΔɻͦΕΛBTU8BMLʹͯ͠ ͍Δɻͭ·ΓDPWFS'JMF BTU7JTJUJOUFSGBDFΛ࣮ͯ͠ ͍Δͷ͕Θ͔Δ
QBHF Reading Go source code of “cover” (3) Ὂ BTU#MPDLʹͨͲΓண͘·Ͱ8BMLΛճ͠ଓ͚ɺϒϩοΫΛ
ݟ͚ͭͨΒBEE$PVOUFSTΛಡΜͰ͍Δ
QBHF Reading Go source code of “cover” (3) Ὂ BEE$PVOUFST͕ίʔυʹΧϯλʔΛࠩ͠ࠐΜͰɺς
ετதʹ͜͜Λ௨͔ͬͨΛه͍ͯ͠Δɻ #PEZলུ
QBHF Show annotated source code Ὂ DPWFSBHFܭଌதʹΧϯ λʔࠐΜͩίʔυ͕Ͳ͏ ͳ͍ͬͯΔͷ͔ΛݟΔͨΊ ͚ͩͷ୭ಘϚχΞ͚πʔ
ϧɻ
QBHF Show annotated source code Ὂ
QBHF ΧόϨοδܭଌͷछྨ Ὂ ໋ྩཏɿTUBUFNFOUDPWFSBHFʣ ذཏɿCSBODIDPWFSBHFʣ ݅ཏɿDPOEJUJPODPWFSBHFʣ C0 C1 C2
QBHF ΧόϨοδܭଌͷछྨ Ὂ BCUSVF ͷ̍έʔεΛ࣮ߦ͢Ε BCUSVF BCGBMTF ͷέʔεΛ࣮ߦ͢Ε BͱCͷUSVFPSGBMTFͷΈ߹Θͤ έʔεΛ࣮ߦ͢Ε
C0 C1 C2
QBHF ΧόϨοδܭଌͷछྨ Ὂ BCUSVF ͷ̍έʔεΛ࣮ߦ͢Ε BCUSVF BCGBMTF ͷέʔεΛ࣮ߦ͢Ε BͱCͷUSVFPSGBMTFͷΈ߹Θͤ έʔεΛ࣮ߦ͢Ε
C0 C1 C2
QBHF ͭ·Γ(PͷΧόϨοδܭଌ C0 !!!
QBHF ΧόϨοδͰશύλʔϯΛཏͰ͖͍ͯΔ༁Ͱͳ͍ɻ ΧόϨοδ͚ͩʹཔΓΒͣʹɺͪΌΜͱࣗͰύλʔϯΛ ཏͰ͖͍ͯΔ͔ҙ࣮͍ͯͯ͘͠͠ඞཁ͕͋Δɻ
QBHF Additional Talk \
QBHF (Pͷ੩తղੳΛղઆͨ͠ബ͍ ຊʂ#PPUIͰൢച͞Εͯ·͢ɻ ੩తղੳʹڵຯΛ࣋ͬͨΒ͜Ε ΛಡΊྑ͍ɻ
QBHF (P$POGFSFODF5PLZP4QSJOHͰొஃ͠·͢ɻ Ὂ
Backside of coverage measurement In Go Gopher Conference Tokyo 2019
Spring Second party May 20, 2019 @ po3rin