map_has_many_associations

# File actionpack/lib/action_dispatch/routing/deprecated_mapper.rb, line 412
        def map_has_many_associations(resource, associations, options)
          case associations
          when Hash
            associations.each do |association,has_many|
              map_has_many_associations(resource, association, options.merge(:has_many => has_many))
            end
          when Array
            associations.each do |association|
              map_has_many_associations(resource, association, options)
            end
          when Symbol, String
            resources(associations, options.slice(*INHERITABLE_OPTIONS).merge(:path_prefix => resource.nesting_path_prefix, :name_prefix => resource.nesting_name_prefix, :has_many => options[:has_many]))
          else
          end
        end