aipacommander https://blog.hatena.ne.jp/aipacommander/ ITの隊長のブログ https://aipacommander.com/ TypeScript ふぁ！？？？？？ってなったことが多いのでとりあえず雑なメモを残す ブルーベリー本から keyof const mmC = { mm: 1, m: 1e3, km: 1e6 } // OK // function c(value: number, unit: keyof typeof mmC) { // !??? // Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{ mm: number; m: number; km: number; }… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Faipacommander.com%2Fentry%2F2022%2F08%2F19%2F023902" title="TypeScriptの雑なメモ - ITの隊長のブログ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2022-08-19 02:39:02 rich https://aipacommander.com/entry/2022/08/19/023902 1.0 100%