# Deque

`import { Deque } from "destack:collections";`

A compact double-ended queue.

```ds title="Deque"
export class Deque<T>
```

[language/library/src/collections/deque.ds:10:22](https://github.com/destack-sh/destack/blob/main/language/library/src/collections/deque.ds#L10-L22)