module RSpec::Core::Hooks

def extract_scope_from(args)
  if SCOPES.include?(args.first)
    args.shift
  elsif args.any? { |a| a.is_a?(Symbol) }
    raise ArgumentError.new("You must explicitly give a scope (:each, :all, or :suite) when using symbols as metadata for a hook.")
  else
    :each
  end
end