module Spec::Example::ExampleGroupMethods

def examples_to_run(run_options)
  return example_proxies unless examples_were_specified?(run_options)
  example_proxies.reject do |proxy|
    matcher = ExampleGroupMethods.matcher_class.
      new(description.to_s, proxy.description)
    !matcher.matches?(run_options.examples)
  end
end