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@4geru

Rubyでゼロ埋め(0埋め)しようとしたらrubocopさんに怒られる

Posted at

問題

rubocopさんが怒ってきた...怖い...

C: Style/FormatStringToken: Prefer annotated tokens (like %<foo>s) over unannotated tokens (like %s).
        format('number: %03d', 1)
                        ^^^^

解決方法

formatでは、hashを用いて、引数指定を設定できるので、そちらで回避します。

format("number: %03<number>d", number: 1)
#=> "number: 001"

参考

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