Approach to Getter/Setter for Hash Access

gistfile1.rb

def earliest_window_end
  @earliest_window_end ||= {}
end

def method_missing(method, *args, &block)
  if method =~ /^(.+?)_earliest_window_end(\=*)$/
    !$2.blank? ? earliest_window_end[$1] = args[0] : earliest_window_end[$1]
  end
end