On Oct 20, 2011, at 8:39 AM, Adam Prescott wrote:

> On Thu, Oct 20, 2011 at 1:27 PM, Dan Nachbar <dan / nachbar.com> wrote:
> 
>> Has #group_by been integrated into Ruby?
> 
> It is part of core. Fairly easy to check:


Doh!
When I went looking for #group_by in irb, I erroneously used
Array.methods rather than Array.instance_methods

Sorry for the noise.

Dan