Agile Del with Rails sum problem

rubyonrails-talk
1

Not sure. Enumerable#sum is not part of standard Ruby, it's an ActiveSupport extension, but you should have it if you are running rails.

2

It's an activesupport extension, which was introduced with rails 1.2. If you're not using rails 1.2, then you've got your explanation

Fred

3

Well I am, maybe Peter isn't <G>