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RuboCop | Style/LineLength

Last updated at Posted at 2014-07-08

RuboCop | Style/LineLength

概要

RuboCopの「Style/LineLength」警告について。

1行あたりの文字数をチェックし、警告を出します。
デフォルトは80文字です。

LineLength

各設定値での検証結果をまとめます。

検証プログラム

line_length.rb

a = '67890123456789012345678901234567890123456789012345678901234567890123456789'
b = '678901234567890123456789012345678901234567890123456789012345678901234567890'
print a, b

実行結果 デフォルト の場合

.rubocop.yml

LineLength:
  Max: 80
$ rubocop line_length.rb
Inspecting 1 file
C

Offenses:

line_length.rb:2:81: C: Line is too long. [81/80]
b = '678901234567890123456789012345678901234567890123456789012345678901234567890'
                                                                                ^

1 file inspected, 1 offense detected

実行結果 81文字に設定します

.rubocop.yml

LineLength:
  Max: 81
$ rubocop line_length.rb
Inspecting 1 file
.

1 file inspected, no offenses detected

RuboCopまとめ記事

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