RogerPodacter/Code-Samples — comment on commit 297ca275086ffd9bab7e38513cbe8e5ae3f1f375
File: whittle-inverse-r.rb line 66
By RogerPodacter:

i'd require active_support and use `#sum` here for readability. if you don't want to, then at least use the `inject` synonym as `reduce` isn't idiomatic ruby