def self.handle_matcher(actual, matcher, &block)
::Spec::Matchers.last_should = :should
::Spec::Matchers.last_matcher = matcher
return ::Spec::Matchers::PositiveOperatorMatcher.new(actual) if matcher.nil?
match = matcher.matches?(actual, &block)
return match if match
message = matcher.respond_to?(:failure_message_for_should) ?
matcher.failure_message_for_should :
matcher.failure_message
if matcher.respond_to?(:diffable?) && matcher.diffable?
::Spec::Expectations.fail_with message, matcher.expected.first, matcher.actual
else
::Spec::Expectations.fail_with message
end
end