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Goのvalidatorパッケージで、バリデーションをしつつ空白を許容する場合

Last updated at Posted at 2021-05-21

1~2ヶ月くらい前からGoを書き始めてるのですが、
下記でハマったというか、 カスタムバリデーションを作ろうとしてしまったので、備忘録的に記載。
Goのvalidatorで、空白を許容しつつバリデーションをしたい場合、omitemptyタグを利用すれば良い。

type testForm struct {
	code           string validate:"omitempty,len=6"`
}

ハマった理由

requiredのバリデーションが存在するのに、なぜ他のバリデーションに関して空白を許容しないのかと混乱しつつ、omitemptyの存在に気がつけなかった。

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