# extract

`import { extract } from "destack:math";`

Return the lane at `index`.

```ds title="extract"
export declare function extract<T, const N: usize>(value: Vector<T, N>, index: uint32): T
```

[language/library/src/math/vector.ds:27](https://github.com/destack-sh/destack/blob/main/language/library/src/math/vector.ds#L27)