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<!--info-header-start--><h1>Replace </h1><blockquote><p>by Anthony Fu <a href="https://github.com/antfu" target="_blank">@antfu</a></p></blockquote><p><a href="https://tsch.js.org/116/play/ja" target="_blank"></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"></a> <a href="./README.zh-CN.md" target="_blank"></a> <a href="./README.ko.md" target="_blank"></a> </p><!--info-header-end-->

文字列Sに含まれる文字FromをToに一度だけ置き換える型Replace<S, From, To>を実装します。

例えば

ts
type replaced = Replace<'types are fun!', 'fun', 'awesome'>; // expected to be 'types are awesome!'
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