# Slab

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

A generational slab with stable keys and reusable slots.

```ds title="Slab"
export struct Slab<T>
```

[language/library/src/collections/slab.ds:34:43](https://github.com/destack-sh/destack/blob/main/language/library/src/collections/slab.ds#L34-L43)