From: Joel VanderWerf <vjoel@...>
Date: 2007-10-31T06:40:02+09:00
Subject: Re: better way to accumulate totals

ara.t.howard wrote:
> count = Hash.new{|h,k| h.update k => Hash.new{|h,k| h.update k => 0}}

This works...

count = Hash.new{|h,k| h[k] = Hash.new{|h1,k1| h1[k1] = 0}}
=> {}
count[:foo][1] += 1
=> 1
count[:foo][1] += 1
=> 2
count[:foo][1] += 1
=> 3


-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407