I am revising AS stuff in the framework while covering core extension
for the AS guide.
There are class reopenings in Action Pack to add generic stuff like
TrueClass#to_param whose natural place would be AS/core_ext in my view
(where Array#to_param and friends live). Even Object#to_param is
I've refactored them out to standard places in AS, and added test
coverage which was lacking as well: