# trimAsciiEnd

`import { trimAsciiEnd } from "destack:bytes";`

Trim trailing ASCII whitespace.

```ds title="trimAsciiEnd"
export function trimAsciiEnd(bytes: &'a readonly [uint8]): readonly [uint8]
```

[language/library/src/bytes/bytes.ds:239:241](https://github.com/destack-sh/destack/blob/main/language/library/src/bytes/bytes.ds#L239-L241)