Devoxx - filter, partition and offset

[Richard Bair]

On Apr 3, 2013, at 4:36 AM, Stephen Colebourne <scolebourne at joda.org> wrote:

> It didn't come up in the Devoxx lab, but I found the filter() method
> confusing when reading code in the talks. It was not obvious to me
> whether it was filtering in or out.

I've been working with groovy recently (gradle build script) and their use of " filter" equally confused me for the same reason. I can't tell you off the top of my head whether true means to keep or filter in groovy, but I think it means to keep. Alternate names is a good idea.