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オブジェクトからunion型をつくる

Last updated at Posted at 2023-07-24

Union型をオブジェクトのkeyからつくりたいときは keyoftypeof を使えば良いみたい。

こんな感じになってくれます。

ちなみにUnion型をオブジェクトのvalueからつくりたいときは keyoftypeof を駆使して作る。

いつ使うん?と言われそうやけど備忘録。。

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