module RSpec::Expectations::Syntax

def enable_should(syntax_host = default_should_host)
  return if should_enabled?(syntax_host)
  syntax_host.module_eval do
    def should(matcher=nil, message=nil, &block)
      ::RSpec::Expectations::PositiveExpectationHandler.handle_matcher(self, matcher, message, &block)
    end
    def should_not(matcher=nil, message=nil, &block)
      ::RSpec::Expectations::NegativeExpectationHandler.handle_matcher(self, matcher, message, &block)
    end
  end
  ::RSpec::Expectations::ExpectationTarget.enable_deprecated_should if expect_enabled?
end