# File lib/spec/expectations/handler.rb, line 19 def self.handle_matcher(actual, matcher, &block) ::Spec::Matchers.last_should = :should_not ::Spec::Matchers.last_matcher = matcher return ::Spec::Matchers::NegativeOperatorMatcher.new(actual) if matcher.nil? match = matcher.matches?(actual, &block) ::Spec::Expectations.fail_with(matcher.negative_failure_message) if match match end