# reformat

`import { reformat } from "destack:tensor";`

Copy tensor data into a new format.

```ds title="reformat"
export declare function reformat<T, const Rank: usize>(tensor: Tensor<T, Rank>, options?: TensorOutputOptions<T, Rank> | undefined): Tensor<T, Rank>
```

[language/library/src/tensor/ops.ds:453:456](https://github.com/destack-sh/destack/blob/main/language/library/src/tensor/ops.ds#L453-L456)