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handle_matcher(actual, matcher, &block) public

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# File lib/spec/expectations/handler.rb, line 33
        def handle_matcher(actual, matcher, &block)
          if :use_operator_matcher == matcher
            return Spec::Matchers::NegativeOperatorMatcher.new(actual)
          end
          
          unless matcher.respond_to?(:matches?)
            raise InvalidMatcherError, "Expected a matcher, got #{matcher.inspect}."
          end

          unless matcher.respond_to?(:negative_failure_message)
            Spec::Expectations.fail_with(
"Matcher does not support should_not.\nSee Spec::Matchers for more information\nabout matchers.\n"
)
          end
          match = matcher.matches?(actual, &block)
          ::Spec::Matchers.generated_description = "should not #{describe_matcher(matcher)}"
          Spec::Expectations.fail_with(matcher.negative_failure_message) if match
        end
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