> For the complete documentation index, see [llms.txt](https://conductor.js.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://conductor.js.org/1.3.0/api-reference/dump.md).

# dump

```erlang
dump: (Transformer fn, Collection input) => Collection output
```

## description

Transforms a `Collection` into a new `Collection` using the provided transformer function.

## example

```javascript
import { dump } from 'conductor'
import { map } from 'conductor/transformers'

const times2 = x => 2 * x
dump(map(times2), [3, 1, 4]) // [6, 2, 8]
```