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<!--info-header-start--><h1>Includes </h1><blockquote><p>by null <a href="https://github.com/kynefuk" target="_blank">@kynefuk</a></p></blockquote><p><a href="https://tsch.js.org/898/play" target="_blank"></a> &nbsp;&nbsp;&nbsp;<a href="./README.zh-CN.md" target="_blank"></a> <a href="./README.ja.md" target="_blank"></a> <a href="./README.ko.md" target="_blank"></a> </p><!--info-header-end-->

Implement the JavaScript Array.includes function in the type system. A type takes the two arguments. The output should be a boolean true or false.

For example:

ts
type isPillarMen = Includes<['Kars', 'Esidisi', 'Wamuu', 'Santana'], 'Dio'> // expected to be `false`
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