rails/rails — pull request #9247 by lest (2013-02-11 09:49:25+00:00)
Title: define Active Record Store accessors in a module

Allow store accessors to be overrided like other attribute methods,
e.g.:

class User < ActiveRecord::Base
store :settings, accessors: [ :color, :homepage ], coder: JSON

def color
super || 'red'
end
end