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ebiiim
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Jun 1, 2019
| func Valid(s, d string) error { | ||
| r := regexp.MustCompile("^(jpeg|png|gif)$") | ||
| if !r.MatchString(s) || !r.MatchString(d) { | ||
| return errors.New("please set \"jpeg\" or \"png\" or \"gif\" as an option.") |
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ご提案: バッククオートで囲むとエスケープなしで書けます！
return errors.New(`please set "jpeg" or "png" or "gif" as an option.`)
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仕様
src/main.goがエントリポイント。jpeg,png,gifに対応。使い方
main.go -s png -d gif .引数： ルートディレクトリを指定
-sオプション： 変換元の画像形式。
jpeg,png,gifに対応。 デフォルト値：jpeg-dオプション： 変換先の画像形式。
jpeg,png,gifに対応。 デフォルト値：png見ていただきたい点