artificialio/sane — pull request #22 by devinrhode2 (2014-12-07 10:35:05+00:00)
Title: boolean is a possibility: (see link to source)

https://github.com/emberjs/data/blob/v1.0.0-beta.12/packages/ember-data/lib/system/model/attributes.js#L239

But I have a question: we be using data types in the toEmber switch at this time?