tibbe/cassava — pull request #18 by basvandijk (2012-11-13 18:04:09+00:00)
Title: Add NonEmpty newtype

Hi Johan,

I used this at work and it seems useful in general.

I'm not married to the name at all. It could also be called:

```haskell
newtype NonNull a = NonNull {nonNull :: a}
```

Or something similar...

Cheers,

Bas