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VS Code で 80 桁の位置に線を表示させる

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行の長さが 80 桁を超えないようにコードを書いていると、やはり目安があると便利ですね。私は VS Code では settings.json にこう設定して 80 桁の位置に線が表示されるようにして使っています。

{
  "editor.rulers": [80]
}

array なので他の桁にも目安がほしいという場合にも対応できますね。

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