<!--info-header-start--><h1>String to Union <img src="https://img.shields.io/badge/-%EB%B3%B4%ED%86%B5-d9901a" alt="보통"/> <img src="https://img.shields.io/badge/-%23union-999" alt="#union"/> <img src="https://img.shields.io/badge/-%23string-999" alt="#string"/></h1><blockquote><p>by Andrey Krasovsky <a href="https://github.com/bre30kra69cs" target="_blank">@bre30kra69cs</a></p></blockquote><p><a href="https://tsch.js.org/531/play/ko" target="_blank"><img src="https://img.shields.io/badge/-%EB%8F%84%EC%A0%84%ED%95%98%EA%B8%B0-3178c6?logo=typescript&logoColor=white" alt="도전하기"/></a> &nbsp;&nbsp;&nbsp;<a href="./README.md" target="_blank"><img src="https://img.shields.io/badge/-English-gray" alt="English"/></a>  <a href="./README.zh-CN.md" target="_blank"><img src="https://img.shields.io/badge/-%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87-gray" alt="简体中文"/></a>  <a href="./README.ja.md" target="_blank"><img src="https://img.shields.io/badge/-%E6%97%A5%E6%9C%AC%E8%AA%9E-gray" alt="日本語"/></a> </p><!--info-header-end-->

문자열 인수를 입력받는 String to Union 유형을 구현하세요.
출력은 입력 문자열의 Union type이어야 합니다.

예시:

```ts
type Test = "123"
type Result = StringToUnion<Test> // expected to be "1" | "2" | "3"
```

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