    # File lib/spec/example/example_methods.rb, line 71
          def set_instance_variables_from_hash(ivars)
            ivars.each do |variable_name, value|
              # Ruby 1.9 requires variable.to_s on the next line
              unless ['@_implementation', '@_defined_description', '@_matcher_description', '@method_name'].include?(variable_name.to_s)
                instance_variable_set variable_name, value
              end
            end
          end