> For the complete documentation index, see [llms.txt](https://dibs.gitbook.io/vortex-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dibs.gitbook.io/vortex-docs/standard-modules/functools.md).

# Functools

The 'functools' module provides functionality to modify functions at runtime

### Function Signatures

{% code overflow="wrap" %}

```go
// Renames a function at runtime (useful when applying decorators)
const rename = (function: Function, name: String) => Function
```

{% endcode %}