assign_variables_from_controller

# File actionpack/lib/action_view/base.rb, line 532
      def assign_variables_from_controller
        @assigns.each do |key, value|
          if ['logger'].include?(key)
            instance_variable_set("@#{key}", ActiveSupport::Deprecation::DeprecatedInstanceVariableProxy.new(self, key.to_sym))
          elsif ['action_name'].include?(key)
            instance_variable_set("@#{key}", ActiveSupport::Deprecation::DeprecatedInstanceVariable.new(value, key))
          else
            instance_variable_set("@#{key}", value)
          end
        end
      end