From: Robert Klemme <shortcutter@...>
Date: 2012-06-21T15:20:28+09:00
Subject: Re: Benchmark obsession?

On Thu, Jun 21, 2012 at 6:28 AM, Avdi Grimm <groups@inbox.avdi.org> wrote:
> On Wed, Jun 20, 2012 at 9:07 PM, Sam Duncan <sduncan@wetafx.co.nz> wrote:
>>
>> Is that basically the same thing wrapped in another method so that counter
>> and o are yielded to a block?
>
> Yes, and it's part of
> Enumerable: http://ruby-doc.org/core-1.9.3/Enumerable.html#method-i-each_with_object

Enumerable also has
http://ruby-doc.org/core-1.9.3/Enumerable.html#method-i-group_by

thingies.group_by(&:key)
thingies.group_by(&:key).map {|o,y| [o,y.length]}

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/