# insert

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

Return a vector with one lane replaced.

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

[language/library/src/math/vector.ds:31:35](https://github.com/destack-sh/destack/blob/main/language/library/src/math/vector.ds#L31-L35)