> For the complete documentation index, see [llms.txt](https://racoon-js.gitbook.io/zh/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://racoon-js.gitbook.io/zh/jie-kou-shuo-ming/boolean/enum.md).

# enum

enum(...values)

## 作用

限制被检测值为有限几个枚举值。

## 参数

* `values` ***(...boolean)*** - 允许被检测值出现的一系列枚举值

## 示例

```javascript
const schema = racoon.boolean().enum(true);
schema.validate(true); // pass
schema.validate(false); // pass
```