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メルカリ社員100人に聞いたGoLandの使い方 / JetBrains Night Tokyo 2018
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Masahiro Wakame
November 20, 2018
Programming
26
13k
メルカリ社員100人に聞いたGoLandの使い方 / JetBrains Night Tokyo 2018
https://info.jetbrains.com/jetbrains-night-tokyo-2018.html
Masahiro Wakame
November 20, 2018
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Transcript
ϝϧΧϦࣾһ100ਓʹ ฉ͍ͨGoLandͷ͍ํ JetBrains Night Tokyo 2018 Θ͔Ί ·͞ͻΖ
Θ͔Ί ·͞ͻΖ @v vakame Masahiro Wakame Go GraphQL TypeScript
Q. ຊʹ100ਓʹฉ͍ͨʁ
Q. ຊʹ100ਓʹฉ͍ͨʁ
Q. ຊʹ100ਓʹฉ͍ͨʁ ड़ਓ 372ਓ ʹ ฉ͖·ͨ͠ʂʂ
ࠓͷαϚϦ ΈΜͳʹฉ͍ͨ ूେΛ͠·͢ʂ
ࠓͷαϚϦ •GoLand ཱࣗɾࣗशͷͨΊͷΈ •IDEʹٻΊΔػೳ •GoLandͷศརͳػೳͨͪ
֤OSຖͷ •macOSϢʔβͰ͢ •ࠓجຊmacOSϕʔε •Action໊͕Θ͔ΕOK •͋ͱͰઆ໌͠·͢
ཱࣗɾࣗशͷͨΊͷΈ
GoLandଟػೳͰ͋Δ •ػೳ͕ແݶʹ͋Δ •Βͳ͍ػೳ͏͜ͱ͕Ͱ͖ͳ͍ •Ͳ͏ͬͯڧ͘ͳΕ͍͍Μͩ… ·ͣษڧͷํ͔Β
Productivity Guide •༁͢Δͱੜ࢈ੑΨΠυ •Help > Productivity Guide •ීஈͬͯͳ͍ػೳʹ •ਓͷΛݟΔͱ݁ߏָ͍͠
Find Action •ActionΛ୳͢ •Help > Find Action •ࠓ͜Ε͚֮ͩ͑ͯؼͬͯʂ •͍͍ͩͨͷͷ͕Action Cmd+Shift+A
Find Action ͍͍ͩͨ Կ͔ Actionͩʂ
Find Action ຊࢿྉ Action໊Λ ໌ه͠·͢
Search Everywhere •ͳΜͰݕࡧ • ͜Ε •ϑΝΠϧ, ܕ, Action ͳʹ͔͔Βݕࡧ Shift
Shift ࠔͬͨΒShift࿈ଧϚϯ
Preferencesͷݕࡧ •ݕࡧܥػೳ΄Μͱॆ࣮͍ͯ͠Δ
ϖΞ ϓϩάϥϛϯά •Ұ൪ϕʔγοΫͳͭ •ਫ਼ਆతෑډͪΐͬͱߴ͍ •Ҋ֎ΈΜͳ͍ํ͕όϥ͚Δ •γϣϧμʔαʔϑΟϯ͢Δͷָ͕ ڐՄऔΖ͏ʂ
Tip of the Day •ศརใΛϥϯμϜʹදࣔ •Help > Tip of the
Day •ҰؾʹෳݟΔͱָ͍͠ •গͣͭ͠ڧ͘ͳΖ͏ʂ
Presentation Assistant (Plugin) • github.com/chashnikov/IntelliJ-presentation- assistant • γϣʔτΧοτΩʔදࣔϓϥάΠϯ Unofficial PluginͰ͢
Key Promotor X (Plugin) • github.com/halirutan/IntelliJ-Key-Promoter-X • γϣʔτΧοτΩʔڭҭϓϥάΠϯ • Ϛεͱ͔͏ͱࢦಋ͞ΕΔ
Unofficial PluginͰ͢
•Preference > Keymap > γϣʔτΧοτٯҾ͖ ਓ͔ΒڭΘΔ࣌ศར ͻͬͦΓͯ͠·͢
খ͍͞Ϙλϯશ෦ԡ͢ •݁ߏݟಀ͚͢Ͳਵॴʹ͋Δ ͱΓ͋͑ͣԡ͠·͠ΐ͏
ෆຬΛݟಀ͞ͳ͍ •ෆศʹ׳Εͳ͍΄͏͕Α͍ •ղফͯ͠Γӽ͍͖͍͑ͯͨ •ݴ͏қ͘ߦ͏͠… ୳ͤ(͍͍ͩͨ)͋Δʂ
ϒϩάͱ͔ݟΔ •blog.jetbrains.com/go/ •blog.jetbrains.com/jp/category/goland •samuraism.com/jetbrains/training ࡢϓογϡ͞ΕͨͷͰ…(ૉ
IDEʹٻΊΔػೳ
Goͷύοέʔδཧ •܈༤ׂڌ •Dep •Go Modules (Official) •↑Experimental GoLandGo Modulesαϙʔτࡁ
Go Modules •GO111MODULE=on •࠷ߴͷαϙʔτʂ ͜Εͦ͜ސ٬͕ٻΊ͍ͯͨͷ…ʂ
Go Module •GoLandͷGo Moduleαϙʔτ࠷ߴ(࠶ܝ •$GOPATH ͷมͳpackageरΘͳ͍ •↑ͪΐ͍ͪΐ͍ਏ͔ͬͨ… •IDEͱͯ͠ͷ͕͕͋ͬͨ(ؾʹͳΔ
σόοΨ •ී௨ʹ͑Δ (Delve͕backend •Break point / Inspector •Unit TestपΓͷαϙʔτॆ࣮ •Ͱ͖ͳ͍…
•ෳࡶͳEvaluate Expression / Set Value
AppEngineαϙʔτ •Google Cloud PlatformͷAppEngine •ͬͯ·͔͢ʁͬͯ·͢Ͷʁ •go111 runtimeͰΊͬͪΌָʹͳͬͨ •AppEngineଆ͕าΈد͖ͬͯͨܗ •2018.3 Ͱچruntimeͷαϙʔτվળ
ΊͬͪΌ͍͚ͨ͠Ͳधཁബͦ͏ͳͷͰ࠙ձͰ…
ίʔυิ •ී௨ͷαδΣετ •ςετੜ •Struct ͷFieldຒΊ •etc…
πʔϧྨ…ʁ •gofmt, goimportsͳͲ •αϙʔτ༗Γ •νʔϜͰ౷Ұ͢ΔͨΊಛఆͷΤσΟλʹ ґଘͨ͘͠ͳ͍ؾ࣋ͪ… •gometalinter → File Watcher
ଞΤσΟλϢʔβʹฉ͍ͨ
Vim •IdeaVim Plugin •ΠέΔ •ͭΒ͍ •Undoͷڍಈ͕ਏ͍… plugins.jetbrains.com/plugin/164-ideavim
ίʔυิͱ͔͍Δͷ ݾΛ͑Ε Α͘ͳ͍Ͱ͔͢ʁ ※ݸਓͷײͰ͢(ͬͯݴ͑ͬͯ
GoLandͷศརͳػೳͨͪ ৭ʑग़͖ͯ·ͨ͠
Show Intention Action •ͦͷ࣌ศརͦ͏ͳΞΫγϣϯΛදࣔ •Կ͔͋Γͦ͏ͱࢥͬͨΒͱΓ͋͑ͣԡ͢ •Quick Fix ʹ͍ۙ •WarningError͕ͳͯ͘ԡͤΔ Option
+ Enter
Test (Cmd+Shift+T) •Code ⇔ Test ͷҠಈ •Testͷੜ •Table Driven TestͳςϯϓϨΛੜʂ
•ςετ໊ؔΘΓͱྑ͍ Table Driven Testͯ͠·͔͢ʁ
Fill struct recursively •ͱͯ͠struct࡞Δ࣌ʹศར •zeroͰҰ୴શ෦ຒΊͯ͘ΕΔ Testॻ࣌͘ʹΑ͍͘·͢
Mark Directory as •Excludes ͱ͔͢Δ •ݕࡧͱ͔ʹҾ͔͔ͬΒͳ͘ͳΔ ͿͬͪΌ͚͋Μ·Θͳ͍
Declaration •ఆٛʹඈͿͭ •͜ͷϝιουͷ࣮Ͳ͏ͳͬͯΔͷʙ •Jump to Source ͱҧ͍͕Θ͔Βͳ͍… •GoҎ֎ͷݴޠͩͱҧ͏ͷ͔ͳ ͍ͭτϥοΫύουͰૢ࡞͢Δͭ
Back •1ݸલͷॴʹΔͭ •DeclarationͱΈ߹Θͤͯසൟʹ͏ •࠷ۙ·ͰΒͳͯ͘ෆศͩͱࢥͬͯ ·ͨ͠…
Next Project Window •ผ૭Ͱ։͍͍ͯΔProjectʹҠಈ͢Δͭ •ɹ͔ͨ͠ʹ •͔ɺ͔͍͍ͬ͜…
Edit Custom VM Options •GoLandͷىಈΦϓγϣϯ͍͡ΕΔ •-XmxΛ૿͢ʂͱ͍͏ਓ͕ଟ͔ͬͨ •JVMͷ࠷େώʔϓαΠζ • -Xmx1920m ʹ͠·ͨ͠
Recent Files •Recent Edited Files ͋ΔΑʂ
•͜ͷInterfaceΛ࣮ͯ͠ΔͭͲ͍ͭʁ •Methodͷ࣮ͷҰཡͱ͔ग़ͤΔ Implementations ݁ߏසൟʹ͏…ʂΊͬͪΌྑ͍
Call Hierarchy •ؔͳͲͷݺͼग़͠πϦʔΛදࣔ •Find Usage ΑΓศར…ʂ •࠶ؼతʹḷΕΔ Find Usageͣͬͱͬͯͨ…
Scratch File •GoͰී௨ʹ͑Δ •ಉ྅ͱίʔυͷ૬ஊ͍ͨ͠… •Playground → ิͳͯ͘ࢮ͵ •Scratch FileͰॻ͍ͯShare͢Δ ৽نϫʔΫεϖʔε४උΊΜͲ͍
JetBrains Toolbox •www.jetbrains.com/toolbox/ •GoLand ͦͷଞIDEೖΕΔͷΒ͘Β͘ •όʔδϣϯݻఆͱ͔Ͱ͖Δ •ΞϓσϥΫϥΫʂ Actionͱ͔Ͱͳ͍͚Ͳ…
Implement Interface •͋Δstructͱ͔ʹඞཁͳϝιουΛ ͼΌͬʂͱੜͤΔ implement missing method Ͱ͢
Implements missing method •Γͳ͍ϝιουΛͼΌͬʂͱੜͤΔ ίϯύΠϥʹinterface࣮νΣοΫͤ͞ΒΕΔ
File… :Line:Column •File Ͱ :ߦ൪߸:ྻ൪߸ Ͱ֘ҐஔʹඈΔ σόοάָ͕ʂ
Next Highlighted Error •Warning, Error etc ʹδϟϯϓͰ͖Δ •ίϯύΠϧΤϥʔͷमਖ਼࣌ʹศར
Show tabs in one row •Preferences > Editor > General
> Editor Tabs •Show tabs in one row Λ disable ʹ͢Δ •λϒද͕ࣔ1ߦʹͳΔͷෆศͩΑͶ… •શ෦ݟ͑ͯΔͱͤ
Camel Case matching •ೖྗิͰ໊લΛશ෦ଧͭඞཁͳ͍ •େจࣈ෦͚ͩͱ͔Ұ෦͚ͩͰOK ͜͏͍͏໊લͷͭ͋ͬͨΑͳ…ʁ Ͱίʔυ͕ॻ͚·͢(υΩϡϝϯτಡ͏
Quick Documentation •υΩϡϝϯτ͕γϡοͱݟΕ·͢ •External Documentation͋ΔΑʂ •godocͷWebϖʔδ͕γϡοͱ։͘
Find in Path •ϓϩδΣΫτશମݕࡧͱ͔ •Τϥʔϝοηʔδ͔ΒൃੜՕॴௐͨΓ •Replace in Path Α͍͘·͢
࠷ޙʹ
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