module Spec::Example::ExampleGroupMethods

def run(run_options)
  examples = examples_to_run(run_options)
  notify(run_options.reporter) unless examples.empty?
  return true if examples.empty?
  return dry_run(examples, run_options) if run_options.dry_run?
  define_methods_from_predicate_matchers
  success, before_all_instance_variables = run_before_all(run_options)
  success, after_all_instance_variables  = run_examples(success, before_all_instance_variables, examples, run_options)
  success                                = run_after_all(success, after_all_instance_variables, run_options)
end