yui/yui3 — pull request #214 by ericf (2012-08-07 16:25:25+00:00)
Title: Add `Y.Array.flatten()`

This adds `Y.Array.flatten()`, which flattens arrays of arrays into a single, flat array.

See: http://yuilibrary.com/projects/yui3/ticket/2531371

### Running Locally

The built `array-extras` module is intentionally not included. If you'd like to test out these changes, you must first build the Collection component.

```bash
$ cd src/collection/ && ant all
```