> 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/number/enum.md).

# enum

enum(...values)

## 作用

限制被检测数值为有限几个枚举值。

## 参数

* `...values` ***(Array\<number>)*** 允许被检测值出现的一系列枚举值。

## 示例

```javascript
const schema = racoon.number().enum(1, 3, 5);
schema.validate(1); // pass
schema.validate(3); // pass
schema.validate(5); // pass
schema.validate(2); // fail
```